TM8250 Mobile Radios

 -40dB 12.5kHz
-41dB 20kHz
-43dB 25kHz
 
 
Audio Response
 300Hz-3kHz
Flat or de-emphasised
 
 
Audio Distortion
 3% at 1kHz 60% modulation (typical)
 

Receiver
 
 
Sensitivity
 0.28?V for 12dB SINAD (<-118dBm)
 
Intermodulation
 75dB
 
 
Selectivity
 65dB 12.5kHz
70dB 20kHz
75dB 25kHz
 
 
Spurious Responses
 72dB
 
 
Hum and Noise

Transmitter    
Output Power
 50W VHF Model: 50W, 25W, 15W, 10W
40W UHF Model: 40W, 20W, 15W, 10W
25W Model: 25W, 10W, 5W, 1W
 
Modulation Limiting
 +/-2.5kHz 12.5kHz
+/-4kHz 20kHz
+/-5kHz 25kHz
  
FM Hum and Noise
 -38dB 12.5kHz
-41dB 20kHz
-43dB 25kHz
  
Conducted/Radiated Emissions
 -36dBm to 1GHz
-30dBm above 1GHz
 
 
Audio Response
 300Hz-3kHz
Flat or pre-emphasised
 
 
Audio Distortion
 3% at 1 kHz 60% modulation (typical)
 
Transmit Rise Time
 10ms
 
 
Duty Cycle
 20% at 40/50W - 33% at 25W

Applicable MIL-STD
 Method
 Procedure
 
Low Pressure 500.4 2
High Temperature
 501.4
 1 & 2
 
Low Temperature
 502.4
 1 & 2
 
Temperature Shock
 503.4
 1
 
Solar Radiation
 505.4
 1
 
Rain
 506.4
 3
 
Humidity
 507.4
 1
 
Salt Fog
 509.4
 1
 
Dust
 510.4
 1
 
Vibration
 514.4
 1
 
Shock
 516.5
 1 & 5
 
* Also meets equivalent MIL-STD C, D & E standards  

Military Standards 810 F*

Frequency Range
 High Power
136-174MHz
400-470MHz
450-520MHz
 Standard
66-88MHz
136-174MHz
216-266MHz
400-470MHz
450-530MHz
 
Frequency Stability
 +/-1.5ppm Above 100MHz
+/-2.5ppm Below 100MHz
  
Channel Capacity
 1500 Conventional Channels
300 Scan/Vote Groups
  
Power Supply
 10.8-16VDC
  
Channel Spacing
 12.5/20/25kHz
  
Channel Increment
 7.5/12.5/15/20/25/30kHz
  
Dimensions (LxWxH)
 High Power
205 x 182 x 70 mm
8.1 x 7.2 x 2.8 in
 Standard
185 x 182 x 70 mm
7.3 x 7.2 x 2.8 in
 
Weight
 High Power
1.7kg (59oz)
 Standard
1.5kg (53oz)
 
Operational Temperature -30