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Last modified 2025-11-04

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Commtel COM203

A picture of Commtel COM203

SPECIFICATIONS

GENERAL
Type:VHF/UHF receiver/scanner
Frequency range: 68-88 / 108-174 / 380-512 / 806-960 MHz
Tuning steps:5 / 12.5 / 25 KHz (Depending on band)
Frequency stability:? ppm
Mode:AM / FM
Channels / memory management: 200 regular in 10 banks @ 25 channels per second
10 monitor
1 priority
Power supply: 7.2-9 VDC (Six R6 / AA alkaline or NiCd batteries)
or 9 VDC external (Male barrel jack, center negative)
Current drain / power consumption:Max 200 mA
Antenna impedance / connector:50 ohm / BNC
Dimensions (W*H*D):58*145*42 mm (2.28*5.7*1.65")
Weight:250 g (8.8 oz)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz
Sensitivity: AM (10 dB S/N)
108-137 MHz: 2 uV
FM (12 dB SINAD)
68-88 MHz: 1 uV
137-174 MHz: 1 uV
380-512 MHz: 1 uV
806-960 MHz: 2 uV
Squelch sensitivity:Less than 1 uV (Threshold)
Noise figure:
Selectivity:20 KHz (-6 dB)
40 KHz (-50 dB)
Image rejection:
AF output power / speaker:200 mW at ?% distortion / ? ohm
External speaker connector:




MISCELLANEOUS
Manufactured:China (By GRE), 1993-199x (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
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