General
Specification VHF UHF LB1, LB2,
LB3
Frequency
Range:
136-174 MHz 403-470 MHz 29.7-36.0
MHz
36.0-42.0 MHz
42.0-50.0 MHz
Frequency Stability (-30�C to +60�C, 25�C Ref.):
�2.5 PPM �2 PPM �5.0 PPM
Channel Capacity:
255
Channel Spacing: 12.5/20/25
kHz
Power Output: 1-25W 1-25W
25-60W
Power Supply: 13.2Vdc (10.8 - 15.6 Vdc) negative
vehicle ground
Dimensions (L x W x
H)
UHF/VHF 1-25W 186mm x 179mm x 59mm (add 9mm for
Volume Knob)
(7.32� x 7.05� x 2.34� - add 0.35� for Volume
Knob)
Remote Mount
Block:
159mm x 168mm x 48mm
Low Band 40-60W 250mm x 179mm x 59mm (add 9mm for
Volume Knob)
(9.8� x 7.05� x 2.34� - add 0.35� for Volume
Knob)
Remote Mount
Block:
223mm x 168mm x 48mm
Weight:
Low power (1-25W) 1400 g (3.15
lbs)
High power (40-60W) 2064 g
(4.3lbs)
Operating Temperature: -30 to
60�C
Sealing: Passes rain testing to
IP54
Shock and Vibration: Meets MIL-STD 810-C,D&E
and TIA/EIA 603
Dust: Meets MIL-STD 810-C,D&E and TIA/EIA
603
Humidity: Meets MIL-STD 810-C,D&E and TIA/EIA
603
Transmitter
Specification VHF UHF LB1, LB2,
LB3
Modulation Limiting: �2.5 kHz @ 12.5
kHz
�4.0 kHz @ 20 kHz
�5.0 kHz @ 20/25 kHz
Hum and Noise: -40 dB @ 12.5
kHz
-45 dB @ 20/25 kHz
Conducted/Radiated Emissions:-36 dBm < 1 GHz
-26 dBm -30 dBm > 1 GHz
Adjacent Channel Power -60 dB @ 12.5, -70 dB @
20/25 kHz
Audio Response (300 to 3000Hz) : +1,
-3dB
Audio Distortion: Rated Maximum Deviation: 1000
Hz, 60% 3% Typical
Receiver
Specification VHF UHF LB1, LB2,
LB3
Sensitivity (12dBSINAD): 0.30�V (0.22 �V Typical)
(EN)
Intermodulation: (EN) >65 dB; >70 dB in
Base Mode >65dB
Adjacent Channel 80dB @ 25 kHz 75 dB @ 25 kHz 80
dB @ 25 kHz
Selectivity: (EN) 75dB @ 20 kHz 70 dB @ 20 kHz 75
dB @ 20 kHz
65dB @ 12.5 kHz 65 dB @ 12.5 kHz 65 dB @ 12.5
kHz
Spurious Rejection: (EN) 80 dB @ 20/25 kHz 75 dB
@ 20/25 kHz 80 dB @ 20/25
kHz
75 dB @ 12.5 kHz 70 dB @ 12.5 kHz 75 dB @ 12.5
kHz
Rated Audio: (EN) 3W Internal 7.5W & 13W
External
Audio Distortion @ Rated Audio: 3%
Typical
Hum and Noise: -40 dB @ 12.5
kHz
-45 dB @ 20/25 kHz
Audio Response: (300 to 3000Hz) +1,
-3dB
Conducted
Spurious Emission per FCC Part 15:
-57
dBm <1 GHz -47 dBm >1 GHz