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3. SPECIFICATIONS 

 

ITEM 

SPECIFICATION

 

Radio Frequency Type 

ISM 2407MHz ~ 2476MHz 

Radio Interface 

ISM 2.4GHz: GFSK Modulation with Frequency Hopping 

Voice Codec 

16bit/8KHz

 

Tx Max Output Power 

100mW

 

Rx Sensitivity 

-95dBm

 

Voice Latency 

< 100ms

 

Num. of Frequency Channel 

139ch

 

Channel Spacing 

500 KHz

 

Power Supply 

Li-ion Battery    @3.7V/ 2000mA 

Antenna 

External Antenna (3.1dBi/4.0dBi) 

Distance Range(LOS) 

500M @ Class 1 

Frequency response 

50 Hz ~ 4 kHz 

Maximum operation users 

8person (include Master device) 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for GM-2.4G

Page 1: ...Copyright 2020 Lab T Inc User Manual...

Page 2: ...GM 2 4G User Manual Maytel Co Ltd...

Page 3: ...CONTENTS 1 FEATURES 3 2 FUNCTION DESCRIPTION 4 2 1 VOLUME CONTROL 4 2 2 GROUP SETTING 4 2 3 ID SETTING 5 2 4 SIDE TONE CONTROL 5 2 5 MIC LEVEL CONTROL 6 2 6 SECURITY CODE SETTING 6 3 SPECIPICATIONS 7...

Page 4: ...el Setting Change Up Button Increase the setting value in each mode such as Volume Channel ID etc Down Button Lower the setting value in each mode such as Volume Channel ID etc Talk Button Group Versi...

Page 5: ...utton in the range of 0 8 The default level is 3 2 2 Group Setting GM 2 4G has group setting function that serves user to change group to communicate Turn on the GM 2 4G When press and hold the Mode b...

Page 6: ...e desired ID by pressing Up Down button The ID can be set up to 00 99 When ID is 00 it is set as Master When ID is 01 99 it is set as Slave To complete the setting press and hold the Mode button 2 4 S...

Page 7: ...ting press and hold the Mode button 2 6 Security Code Setting GM 2 4G can adjust the security code value Turn on the GM 2 4G Press and hold Mode button to enter the setting mode In the setting mode pr...

Page 8: ...Voice Codec 16bit 8KHz Tx Max Output Power 100mW Rx Sensitivity 95dBm Voice Latency 100ms Num of Frequency Channel 139ch Channel Spacing 500 KHz Power Supply Li ion Battery 3 7V 2000mA Antenna Extern...

Page 9: ...R ACCESS AREA there shall be a marking close to the battery or a statement in both the operating and the servicing instructions if the battery is placed elsewhere in the equipment there shall be a mar...

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