© Microhard Systems Inc.
12
1.0 Overview
General Specifications (Continued)
Ethernet:
2 x
10/100 BaseT, Auto - MDI/X, IEEE 802.3
I/O:
8x Programmable Analog/Digital Inputs or up to 8x Digital Outputs
60mA current sink on open drain
SIM Card:
Dual: 1.8 / 3.0V
PPP Characteristics:
Dial on Demand/Idle Time
Network Protocols:
TCP, UDP, TCP/IP, TFTP, ARP, ICMP, DHCP, HTTP, HTTPS*, SSH*, SNMP,
FTP, DNS, Serial over IP, QoS
Management:
Local Serial Console, Telnet, WebUI, SNMP, FTP &
Wireless Upgrade, RADIUS authentication, IPsec VLAN
Diagnostics:
Temperature, RSSI, remote diagnostics
Input Voltage:
7-30 VDC
Power over Ethernet:
Passive PoE on Ethernet Port (WAN)
GPS:
Sensitivity:
- Autonomous acquisition: -145 dBm
- Tracking Sensitivity: -158 dBm (50% valid fixes)
Position Accuracy:
- Tracking L1, CA code
- 12 Channels
- Max. update rate 1 Hz
Error calculated location less than 11.6 meters 67% of the time, and
less than 24.2 meters 95% of the time.
Environmental
Operation Temperature:
-40
o
F(-40
o
C) to 185
o
F(85
o
C)
Humidity:
5% to 95% non-condensing
Mechanical
Dimensions:
2.21” (56mm) X 3.85” (97mm) X 1.46” (37mm)
Weight:
Approx. 245 grams
Connectors:
Antenna(s):
CELL, DIV, GPS: SMA Female
ANT3:
RP-SMA Female
Data, etc:
Data:
DE-9 Female (Front RS232)
Ethernet :
2x RJ-45
GPS Antenna Requirements:
-
Frequency Range: 1575.42 MHz (GPS L1 Band)
-
Bandwidth: +/- 2 MHz
-
Total NF < 2.5dB
-
Impedance 50ohm
-
Amplification (Gain applied to RF connector): 19dB to 23dB
-
Supply voltage 1.5V to 3.05V
-
Current consumption - Typical 20mA (100mA max)
-
Cellular Power Antenna Rej Isolation:
-
824 - 915 MHz > 10dB
-
1710 - 1785 MHz > 19dB
-
1850 - 1980 MHz > 23dB
