GM3688 Specifications

General Specifications
 
VHF UHF
Frequency 

403-440MHz

136-162MHz

438-470MHz

146-174MHz

465-495MHz

490-527MHz

350-380MHz

Channel Capacity  64
Power Output 

1-25W

25-45W

1-25W

25-40W

25W

25-40W

1-25W
Power Supply  13.8 Vdc (11 Vdc - 16.6 Vdc) negative vehicle ground
Channel Spacing  12.5/20/25KHz
Frequency Stability  ( -30°C, + 60°C, +25°C Ref)   +/-2.5ppm
Dimensions ( H * W * L )   44mm x 169mm x 118mm 
Weight  1.01 Kg 
Operating temperature   - 30 to + 60°C 
Sealing   Passes rain and dust testing to IP54
Shock and Vibration   Meets MIL-STD 810-C,D&E and TIA/EIA 603

 

Receiver
 
VHF UHF
Sensitivity (12db Sinad)

0.35uV (12.5KHz)

0.3uV (25KHz)

Intermodulation

65dB (12.5KHz)

75dB (25KHz)

60dB (12.5KHz)

70dB (25KHz)

Adjacent Channel Selectivity 

65dB (12.5KHz)

75dB (25KHz)

60dB (12.5KHz)

70dB (25KHz)

Spurious Rejection
75dB 70dB
Rated Audio (extended audio with 4 ohm speaker) 4W internal

13W external

Audio Distortion @ Rated Audio 3% typical
Hum and Noise

-40 dB (12.5KHz)

-45 dB (25KHz)

-35 dB (12.5KHz)

-40 dB (25KHz)

-40 dB (12.5KHz)

-40 dB (25KHz)

                                  
Audio Response (300 to 3000Hz) +1, -3dB
Conducted Spurious Emission

57 dBm < 1GHz

-47 dBm > 1GHz

 

Transmitter
 
VHF UHF
Modulation Limitting

/-2.5KHz (12.5KHz)

+/-4KHz (20KHz)

+/-5KHz (25KHz)

FM Hum & Noise

-40 dB (12.5KHz)

-45 dB (25KHz)

-35 dB (12.5KHz)

-40 dB (25KHz)

-40 dB (12.5KHz)

-40 dB (25KHz)

                                  

Conducted Radiated Power

1-25W

 

25-40/45W

 

36 dBm < 1GHz

-30 dBm > 1GHz

-26 dBm

Adjacent Channel Power -60 dB (12.5KHz)
Audio Response (300 to 3000Hz) +1, -3dB
Audio Distortion @ Rated Audio 3% typical
* Availability subject to country’s law and regulations. Specifications subject to change without notice.
All specifications shown are typical. Radios meet applicable regulatory requirements.

 

Mobile Military Standards 810C, D, E & F
  810C 810D  810E  810F 
Applicable MIL - STD 
Methods Procedures
Methods Procedures
Methods Procedures
Methods Procedures
Temperature Shock 
503.1  I              
503.1  I              
503.1  I              
503.1  I              
Solar Radiation 
503.1  I              
503.1  I              
503.1  I              
503.1  I              
Salt Fog 
503.1       I (48 Hours)
503.1       I (48 Hours)
503.1       I (48 Hours)
503.1       I (48 Hours)
Vibration 
- -
503.1 I, Cat 1 
503.1 I, Cat 1 
503.1 I, Cat 1 
Shock 
503.1 I,III         
503.1 I,V         
503.1 I,V         
503.1 I,V         
Rain 
503.1  II             
503.1  II             
503.1  II             
503.1  II             
Dust 
503.1  I              
503.1  I              
503.1  I              
503.1  I