background image

 

 

 

 

 

 

 

BHU NETWORKS

®

BXM2/5 

User Manual  

Version No.V2.1 

 

 

 

 

 

 

 

Beijing Huasun Unicreate Technology Co., Ltd. 

Summary of Contents for BXM2

Page 1: ...BHU NETWORKS BXM2 5 User Manual Version No V2 1 Beijing Huasun Unicreate Technology Co Ltd ...

Page 2: ...te Technology Co Ltd Please download the electronic product user manual from official website Beijing Huasun Unicreate Technology Co Ltd Headquarter Address Huizhi Office Building No 9 6 Xueqing Road Haidian District Official Website www bhunetworks com overseas Customer Service hotline 86 10 82730100 Customer Service Mailbox bhu bhunetworks com ...

Page 3: ... Any form o f behavior including reproduction excerpti on copy revision distribution translation of any part of the contents in this document without the prior written permission of Beijing Huasun Unicreate Technology Co Ltd is prohibited Disclaimer This user manual is based on data available and herein update contents can be made without notice Beijing Huasun Unicreate Technology Co Ltd has tried...

Page 4: ...wing aspects the user i nterface q uickly cons tructing network c onfiguration software configu ration method of login the function o f important parameters and its effect as well as some other points for attentions You can us e this manual to complete rapid configurat ion meet quick and typical networking needs and complete the main applications Technical Service Support Beijing Huasun Unicreate ...

Page 5: ... 4 3 Select Bridge Repeater Mode 16 3 4 4 Select Router AP Mode 19 3 4 5 Select Router Station Mode 23 3 4 6 Select Router Repeater Mode 26 3 5 Wireless Settings 31 3 5 1 RF Settings 31 3 5 2 Virtual AP Settings 33 3 5 3 Advanced Settings 34 3 5 4 Status 35 3 5 5 Traffic Control 35 3 6 Network Settings 36 3 6 1 LAN Settings 36 3 6 2 WLAN Settings 37 3 6 3 Client List 39 3 6 4 Router Settings 40 3 ...

Page 6: ...ement 52 5 Equipment Check and Troubleshooting 53 5 1 The correct installation and configuration of BXM2 5 equipment 53 5 2 Network Checking and Troubleshooting 57 5 3 FAQ and Solutions 58 6 Appendix 59 6 1 Technical Parameters 59 6 2 Glossary 63 ...

Page 7: ... 11 Figure 11 Bridge AP Mode 11 Figure 12 Bridge AP Mode 12 Figure 13 Bridge AP Mode 12 Figure 14 Bridge AP Mode 13 Figure 15 Bridge AP Mode 13 Figure 16 Bridge Station Mode 14 Figure 17 Bridge Station Mode 14 Figure 18 Bridge Station Mode 15 Figure 19 Bridge Station Mode 15 Figure 20 Bridge Station Mode 16 Figure 21 Bridge Station Mode 16 Figure 22 Bridge Repeater Mode 17 Figure 23 Bridge Repeate...

Page 8: ...e 23 Figure 38 Router Station Mode 23 Figure 39 Router Station Mode 24 Figure 40 Router Station Mode 24 Figure 41 Router Station Mode 25 Figure 42 Router Station Mode 25 Figure 43 Router Station Mode 26 Figure 44 Router Station Mode 26 Figure 45 Router Repeater Mode 27 Figure 46 Router Repeater Mode 27 Figure 47 Router Repeater Mode 27 Figure 48 Router Repeater Mode 28 Figure 49 Router Repeater Mo...

Page 9: ...affic control of user 36 Figure 64 LAN Configuration 37 Figure 65 WLAN Settings 38 Figure 66 WLAN Settings Example 1 38 Figure 67 WLAN Settings Example 2 39 Figure 68 Route ACL Settings 41 Figure 69 Edit Router Transfer Control Rule 41 Figure 70 Rule Settings 41 Figure 71 DMZ Area Settings 42 Figure 72 NAT Settings 43 Figure 73 UPnP Settings 43 Figure 74 Configuration Administration 44 Figure 75 R...

Page 10: ...Figure 81 System Tool 48 Figure 82 Management Configuration 50 Figure 83 Log Management 51 Figure 84 Equipment Installation 53 Figure 85 Indicator Panel 54 Figure 86 RSSI Receiving Strength 55 Figure 87 Connecting Method 55 ...

Page 11: ...y access to deployment and service They aim to perfectly solve the problems of termination access in WLAN coverage area or marginal area at the same time extends the coverage of WLAN stations as large as possible Transmit power no longer stops BXM2 5 from covering widely due to its 500mW transmit power and high gain antenna in 12dBi of BXM2 16dBi of BXM5 1 2 Main Feature Uplink to 2 4GHz of BXM2 5...

Page 12: ...2 Product Composition 2 64 2 Product Composition 2 1 Packing list Table 1 No Name Quantity Unit 1 Packing Box 1 pc 2 BXM2 5 1 pc 3 POE Power Supply Module 1 pc 4 Cable Ties 2 pcs ...

Page 13: ...Power Indicator Yellow Long out Power off Long bright Power on 2 LAN Ethernet Indicator Left port is primary port Right port is secondary port Always off AP mode Always bright Station Repeater mode 3 MODE Signal Lamp Station mode the last three lamps stand for signal strength Repeater mode the last three lamps stand for signal strength AP mode the last three lamps light ...

Page 14: ...al plug RJ45 only Primary is used fo r PoE power supply 2 Reset After starting up the equipment press the reset key for 5 seconds to restore the factory Configuration When the equipment power is switched on press the reset key for 10 seconds to restore factory Configuration and supply first aid to procedures http 3 Antenna Build in antenna for sending and receiving wireless data ...

Page 15: ...ke the configurations according to the page tips As it is shown in the figure below Figure 3 Navigation Bar Note Click Save to prevent the configuration loss 2 3 2 Main Menu Group Button There are five groups of buttons in differe nt kind s o f fun ctions as shown in the figure below Figure 4 Menu 2 3 3 Application Change Button Figure 5 Application Change Button Note Once finish the configuration...

Page 16: ...he equipment to make some parameters effective refer to page instruction 2 3 4 Save Button Figure 6 Save Button Note After change the application please click save to prevent the equipment from losing the current configuration after equipment reboot ...

Page 17: ...Pre installation Table 4 No Name Quantity unit Remarks 1 BXM2 5 1 pc 2 POE Power Supply Module Type BA 2408P Input voltage AC100 240V 50 60Hz Output voltage DC24V 800mA 1 pc 3 Cable Ties 2 pcs 4 Ethernet Cables 2 pcs Self contained 5 Holding Pole 1 pc Self contained ...

Page 18: ...o the equipment connect to PC and fix BXM2 5 to the holding pole by using the cable ties Note Link PoE port to CPE Primary port and link LAN port to the laptop LAN port Step 5 The equipm ent is inst alled and switched on and t he indicat or lights normally According to indicator direction Station mo de the thi rd lamp lights up the last three indicators display BXM2 5 signal strength Step 6 Set pa...

Page 19: ...i pment the default IP address 192 168 1 1 subnet mask 255 255 255 0 User ID and password is needed for log i n the WEB default user name admin password admin Once finish the password settings click login button to jump to login page Note Support language switch between Chinese and English Figure 7 Login page ...

Page 20: ... equipmen t info rmation as shown in the figure below Figure 8 System Status 3 4 Configuration Wizard 3 4 1 Select Bridge AP Mode Bridge AP Bridge Access Point Mode WLAN as AP can be connected with the Ethernet Open Configuration Configuration Wizard as shown in the figure below Figure 9 Bridge AP Mode Click Next to select work mode as shown in the figure below ...

Page 21: ...nnel Automatically or manually select channel when necessary SSID hide Hide SSID according to network safety demands and the us er can only connect to the network by configuration on the client without scanning AP Authentication mode Support OPEN WEP W PA PSK WPA2 PSK WPA EAP and WPA2 EAP authentication modes Create ESSID For example create SSID as shown in the figure below ...

Page 22: ... Installation and Settings 12 64 Figure 12 Bridge AP Mode Make the configuration effective as shown in the figure below Figure 13 Bridge AP Mode Go to Interface LAN settings as shown in the figure below ...

Page 23: ...ion and Settings 13 64 Figure 14 Bridge AP Mode Ipv4 Settings Statically configure IP address fill up the IP address and mask Ipv6 Settings No need to change if the user does not use Ipv6 Figure 15 Bridge AP Mode ...

Page 24: ...he termi nal side ca n link to other AP root AP and link to Ethernet bridge In this mode the linked AP root AP must open WDS function Bridge Station basic configuration is shown in the figure below Figure 16 Bridge Station Mode Click Next to select work mode as shown in the figure below Figure 17 Bridge Station Mode Access to the related work mode to make basic configurations as shown in the figur...

Page 25: ...dge Station Mode Scan AP as shown in the figure below Note Fill button is used to link the searched ESSID Figure 19 Bridge Station Mode Lock to AP By locking to AP you can link WLAN to the AP wit h appointed MAC address as shown in the figure below ...

Page 26: ...e figure below Figure 21 Bridge Station Mode Ipv4 Settings Static configure IP address and fill in IP address and mask Ipv6 Settings No need to change if the user does not use Ipv6 3 4 3 Select Bridge Repeater Mode The basic configurations of Bridge Repea ter work mode as shown in the figure below ...

Page 27: ...P root AP must open WDS func tion if not please refer to 3 5 2 Virtual AP Settings in this user manual Click Next to select work mode as shown in the figure below Figure 23 Bridge Repeater Mode Go to the related work mode to make basic settings as shown in the figure below Figure 24 Bridge Repeater Mode ...

Page 28: ...figure below Note Fill button is used for connecting the ESSID searched Figure 25 Bridge Repeater Mode Lock to AP WLAN can prior connect to the appointed MAC AP by locking to AP Figure 26 Bridge Repeater Mode Set the ESSID which need to relay as shown in the figure below ...

Page 29: ...er Mode Ipv4 Settings Static configure IP address fill in IP address and mask Ipv6 Settings No need to change if the user does not use Ipv6 3 4 4 Select Router AP Mode Router AP Under Router AP mode WLAN works under AP mode Ethernet port as WAN port to transfer data Router AP work mode basic configuration as shown in the figure below ...

Page 30: ...below Figure 31 Router AP Mode Channel Selection Select channel automatically or manually as required SSID Hidden According to safety require ment hide SSID to p revent users from scanning AP and the user could only link to the network on client side Authentication Mode Support the follow ing authentication OPEN WEP WPA PSK WPA2 PSK WPA EAP WPA2 EAP Create ESSID An example of creating an ESSID is ...

Page 31: ...e Scan AP around as shown in the figure below Figure 33 Router AP Mode Note Fill button is used for connecting the searched ESSID Select DHCP Connecting Mode The port acquires IP address automatically DNS is attained via DHCP server in default no need to set ...

Page 32: ...DNS Manual MAC address Open this function and change the M AC address of WAN port but cannot change the MAC address of WLAN port Figure 35 Router AP Mode Select PPPoE Connection Mode input the related user ID and passport PPP Connecting Mode Auto connecting mode Demand try to link when there is a data requirement Once manual connecting ...

Page 33: ... Router Client Mode WLAN works und er Client Mode and connects with other AP using WLAN as WAN port to transmit the data Router Station work mode basic configuration as shown in the figure below Figure 37 Router Station Mode Click Next to select work mode as shown in the figure below Figure 38 Router Station Mode ...

Page 34: ...in the figure below Figure 39 Router Station Mode Scan the AP around as shown in the figure below Figure 40 Router Station Mode Note Fill button is used for connecting the searched ESSID Lock to AP By locking AP function c an make WLAN connect to AP of t he appointed MAC address as shown in the figure below ...

Page 35: ...ally DNS can be attained via DHCP server in default no need to set if no special requirement Figure 42 Router Station Mode Select static configuration Connecting Mode Configure IP address and DNS Statically Manual MAC Address Open this function can change MAC address of t he WAN port but cannot change MAC address of the WLAN port ...

Page 36: ...e Demand Try to link when there is a data requirement Once manual connecting Figure 44 Router Station Mode 3 4 6 Select Router Repeater Mode Router Repeater Under Router Repeater mode WLAN is not only connected with previous level AP root AP as Client but also provide wireless connection as AP Router Repeater work mode basic configurations as shown in the figure below ...

Page 37: ... Mode Click Next to select operating mode as shown in the figure below Figure 46 Router Repeater Mode Go to the operating mode to make basic configura tions as s hown in the figure below Figure 47 Router Repeater Mode Scan AP around as shown in the figure below ...

Page 38: ...er Mode Note Fill button is used for connecting the searched ESSID Figure 49 Router Repeater Mode Locked to AP The function of locking to AP can make WLAN connect to AP of the appointed MAC prior Set the ESSID which requires relay as shown in the figure below ...

Page 39: ...tically DNS can be attained by DHCP server in default no need to set if no special requirement Figure 51 Router Repeater Mode Select Static Configuration Connection Mode Static configuration IP address and DNS Manual MAC address Open this function can change MAC address of WAN port but cannot change MAC address of the WLAN port ...

Page 40: ...4 Figure 52 Router Repeater Mode Select PPPoE Connection Mode Input the related user password PPP Connection Mode Auto link mode Demand Try to link when there is a data requirement Once manual connecting Figure 53 Router Repeater Mode ...

Page 41: ...nfiguration Figure 55 RF Configuration Modification Country Code The country where the equipment is used Due to the local law restriction this settings will a ffect the maximum transmit power of the equipment and the setting channel After rebooting the equipment the country code settings will come into effect Tx Chain Select the sending chain ...

Page 42: ...ystem throughput is enhanced Short GI Be used to reduce the interference time among OFDM signs Under multipath environment the lat er fron t end of cha racter maybe arri ve ear lier than the former one s back end whi ch will ca use the interferences among signs Guard Period is the blank tim e between two signs which can provide a longer buffer time for the delayed signal Figure 57 RF Configuration...

Page 43: ...gs Open Wireless Virtual AP Figure 58 Virtual AP Settings VAP Virtual Access Point There are s everal virtual WLAN technologies on the RF equipment A same channel must be used on several VAP on the RF equipment One STA and several AP can be created on the same RF chip but AP must be set up firstly MAC The MAC address of VAP When it is used as AP this MAC address is its BSSID Mode VAP work mode can...

Page 44: ...t dormant time based on signal mark frame counting WMM WMM Wi Fi Multimedia Provide basic QoS Quality of service function for 802 11 The power saving function is also realized in WMM Short Front Code Long front code is compatible with the old 11b equipment Using short front code can attain a higher transmission rate BG Protection Mode Open 802 11g protection mode v802 11b equipment can be inspecte...

Page 45: ... b y 802 11 wireless protocol to reduce the conflicts caused from hiding node WMM WMM Wi Fi Multimedia provides basic QoS Quality of Service function for 802 11 networks Power saving function is also realized in WMM Note Be in Bridge Station or Router Station Mode 3 5 4 Status Open Wireless Status AP Mode Station Mode as shown in the figure below Figure 61 WLAN Status 3 5 5 Traffic Control Open Wi...

Page 46: ...ings Fill in the Tx rate and Rx rate of SSID and User Group to limit the upload or download rate of SSID or users Click the Add New button to add traffic control of user Figure 63 Add traffic control of user 3 6 Network Settings 3 6 1 LAN Settings Open Interface LAN ...

Page 47: ...only fill up subnet number e g IP 192 168 1 1 Net mask 255 255 255 0 start number 100 mean start from 192 168 1 100 End address The end address of DHCP address Lease type Service Lease type Time unit or infinite Infinite unlimited IPv6 address format Ipv6 address prefix length e g 3FFE FFFF 0 CD30 0 0 0 0 64 if there is successive zero can replace with only once the maximum of prefix length is 128...

Page 48: ...tings Select DHCP Connection Mode The port attains IP address automatically DNS is attained via DHCP server in default i f there is no special requirement no need to set Select Sta tic Config uration Co nnection Mode configure IP address and DN S statically as shown in the figure below Figure 66 WLAN Settings Example 1 ...

Page 49: ... link m ode Demand when there is a data requirement try to link Once manual connection Select Connection Mode as shown in the figure below Figure 67 WLAN Settings Example 2 3 6 3 Client List Open Interface Client List Figure 68 Client List Note Client List only appears in Router Station mode it hides in other modes ...

Page 50: ...eed to revise the router path manually Figure 70 Add Static Router Settings Add static routes settings Adding a new router the IP address of user appointed destination subnet mask default gateway the address of next hop and the priority and network equipment interface of data package sending Note When the configured router does not apply with the current netwo rk topology structure the static rout...

Page 51: ...ansfe r via addin g router transfer regulation This equipment realiz ed the alternative afte r opening router transfer control only allow to transfer the data package which is applied with the regulation New built regulation as shown in the figure below Figure 69 Edit Router Transfer Control Rule Figure 70 Rule Settings ...

Page 52: ...ates some non confidential public server such as Web Mail FTP and so on so that the external visitors can access the server in DMZ but cannot touch the confidential information of the internal network even i f DMZ server is damaged it cannot do any effect to t he i nternal network confi dential information see the DMZ strategy as follows 1 Intranet can visit internet 2 Intranet can visit DMZ 3 Int...

Page 53: ...PPP Frame i nto the IP data package to cond uct the Tunnel t ransmission seal protocol If allow L2TP protocol messag e to penetrate on the equipment please click enable IPSec Transparent transmission IPsec Internet Protocol Security is a network transmission Protocol group some interrelated protocol allay to protect IP Protocol via encrypting and certifying IP Internet Protocol If allow IPSec mess...

Page 54: ...nP function is supported by operation system e g Window s ME Windows XP Windows Vista Windows7 3 7 System Configuration 3 7 1 System Settings Open System Configuration Save Export Loading click Save to sav e the current configuration as shown in the figure below Figure 74 Configuration Administration Access configuration document as shown in the figure below Figure 78 Access Configuration Document...

Page 55: ...the normal running via restore the previous saved configuration document 3 7 2 Restore Factory Configuration Open system Configuration Restore factory configuration Figure 80 Restore Factory Configuration Restore factory Configuration Restore the equipment to factory settings the default administration address is 192 168 1 1 user name and password is admin Note After restore factory require to man...

Page 56: ...ystem Device Reboot Renew Figure 76 Restart Configuration Restart Mainly used to reboot after c onfiguration equipment and m ake the configuration effective and maintain equipment performance Note Power must not be cut off during upgrade Figure 77 Upgrade Firmware 3 7 4 User Administration Open System Users ...

Page 57: ...t Open System Users Add New Figure 79 New User New built Add new user it is better to use the combination of number and letter to ensure user safe Note The default admin account of system is not allowed to delete but you can modify the password of the account ...

Page 58: ... here is something wrong with the network this function helps you reboot automatically Inputt ing an IP address Please ensure this IP address existed and can be pinged to start this function after starting it t his equipment can continuously ping this IP addr ess for 10 times otherwise the equipment will automatically reboot 3 7 6 System Time Settings Open System time ...

Page 59: ...is opened you must fill in IP ad dress of NTP server Meanwhile since the default time NTP attained is Greenwich time Time zone 0 you should correctly set up your time zone to ensure a accurate time of your local time zone Figure 89 Equipment Time Management Browsing time If NTP server is not available you can use Attain browsing time function to set your current browser computer time on this equip...

Page 60: ...Interface Open System Administration Interface Open Telnet Configuration SSH setting Figure 82 Management Configuration Main machine name You ca n name yo ur own equipment when you Telnet or SSH to the equipment you can see the equipment name optional function ...

Page 61: ...8 1 1 SSH settings Open SSH enable when c onnecting this equipment encrypt the message transmitted 3 7 8 System Log Open System System Log Log The log records the runn ing status of this equipment which help you i n solving problems Remote log Open remote log inp ut IP address of Log serve r can read the log record of this IP equipment but need to ensure the network connection Figure 83 Log Manage...

Page 62: ...ool Accessories Laptop PC Network cable pliers Crystal point Network testing equipment Ethernet cables 4 2 Maintenance Personnel Requirement This equip ment requi res the q ualified pers onnel who has got a certain l evel of computer knowledge and who has read the user manual maintenance manual and installation manual ...

Page 63: ...erefo re the antenna di rection sh ould be fixed according to signal strength strictly in our BXM2 5 configuration interfac e there are timely signal strength display the user should adjust the antenna to t he best position where can receive the strongest signal Figure 84 Equipment Installation 2 To ensure that there is no tall and dense buildings or trees around the equipment so it can receive hi...

Page 64: ... intensity a nd t he n umbers o f t he l ast th ree l amps which are light stands for the int ensity of t he signal at this time it is Sta tion or Repeater mode if the third lamp counted fr om the left to the rig ht is not lightening it is AP mode After connecting the power see if BXM2 5 work indicator is normal normal status is that WLAN indicator is blinking PWR indicator keeps light ...

Page 65: ...the figure below Figure 86 RSSI Receiving Strength 4 Using network test equipment Ethernet cable should be connected steady and not too long no longer than 40 mete rs crystal point connection is qualified and ensure the Ethernet cable ca n conduct a normal data telecommunication as shown in the figure below Figure 87 Connecting Method ...

Page 66: ... a good working status the crystal point should conform to T568B sta ndard wrong line ord er will result in abnormal power supply and even burn down the equipment or power source 5 When c onfigure BXM2 5 ens ure the PC local connection is opened Set the PC local connection IP address is 192 168 1 100 ensure BXM2 5 network and PC are in the same network segment BXM2 5 default IP is 192 168 1 1 defa...

Page 67: ...configuration is opened and check it is static configuration or automatically attain 2 Use Ping command to ensure network smooth Confirm to open the local TCP IP ping 127 0 0 1 Use Ping command to see if it can reach gateway or not If it cannot reach the gateway to check the local network connection is open or not if it is forbidden please open it If the gateway still cannot be Pinged check the co...

Page 68: ...oblems of address package loss and long time delay Open terminal isolation function of AP try to do troubleshooting Do port isolation among APs which linked to the same switch machine Ethernet crystal point does not connect well need to redo the crystal point 4 The SSID signal which BXM2 5 has scanne d is unstable and with a poor ne twork quality Check equipment signal strength received adjust equ...

Page 69: ...g n standard BXM5 IEEE 802 11a n standard Tx Power BXM2 max 25 3dBm 340 mW adjust software to reach BXM5 max 18 4dBm 68mW max power Speed Rate 2x2 max speed rate 300Mbps Modulation Technology 802 11n 2x2 MIMO BXM2 802 11b 1Mbps 100dBm 801 11g 6Mbps 93dBm 801 11n MSC0 93dBm MSC0 74dBm Receiving Sensibility BXM5 802 11a 6Mbps 95dBm 54Mbps 75dBm 801 11n MCS0 88dBm MCS7 73dBm Antenna BXM2 dual polariz...

Page 70: ...erature 40 80 Work Humidity 0 100 Table 7 Item Description Software Characteristics Router m ode Client replac es all t erminal authentication Work Mode Bridge mode all terminal need s eparate authentication PPTP L2TP IPSsec PPPoE DHCP Client Server NAPT Network Protocol NTP Ambient station monitor Channel Scan Prior AP connection setting Banding SSID Wireless Function Automatic channel selection ...

Page 71: ...all terminal need s eparate authentication Security Support multi user t o conduct separate porta l authentication Firewall Support network speed limit function Network Protection Based on MAC address access control Support virtual DMZ Port Forwarding Support UPnP automatic port reflection System Service Support VPN transpa rent sendi ng PPTP L2TP IPSec WDS Available Based on WEB management tool C...

Page 72: ... Item Description Support syslog running system Support SSH service function Automatically test network status connec t the link automatically after disconnection Trouble shooting Support WatchDog and PingDog function ...

Page 73: ...10 DHCP Dynamic Host Configuration Protocol 11 MAC Media Access Control 12 DNS Domain Name System 13 PPP Point to Point Protocol 14 PPPoE Point to Point Protocol over Ethernet 15 WiFi wireless fidelity 16 AMPDU Aggregation MAC Protocol Data Unit 17 VAP Virtual Access Point 18 WDS Wireless Distribution System 19 DTIM Delivery Traffic Indication Message 20 WMM Wi Fi Multimedia 21 RTS CTS Request To ...

Page 74: ...e Transfer Protocol 34 HTTP Hypertext Transport Protocol 35 VPN Virtual Private Network 36 SSH Secure Shell 37 WAPI Wireless LAN Authentication and Pri vacy Infrastructure 38 ipv4 Internet Protocol Version 4 39 ipv6 Internet Protocol Version 6 40 WPA Wi Fi Protected Access 41 WPA PSK Wi Fi Protected Access Pre Shared Key 42 WPA2 PSK Wi Fi Protected Access Pre Shared Key 43 WPA EAP Wi Fi Protected ...

Page 75: ...te the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help FCC Caution Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operat...

Reviews: