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Kenwood TM-231A

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Mobile VHF Transceiver

The Kenwood TM-231A combines high performance receiver and transmitter specifications with easy-to-use features. There are 20 multi-function memory channels plus 1 call channel, and all can be used to store transmit and receive frequencies as well as repeater and signaling data. The TM-231A transmits on 2 meters with three output power levels: 5/10/50 watts. Extended receive allows reception from 138 to 174 MHz. You also get auto-power off, built-in CTCSS encode, time-out timer, auto repeater offset and easy to read LCD. Frequency steps are: 5, 10, 15, 20, 12.5, and 25 kHz.

A European version exists in the form of the Kenwood TM-231E.

Specifications
Type
Mobile Amateur VHF Transceiver 
Frequency range RX
144-146 MHz 
TX
144-146 MHz 
Frequency stability
Tuning steps
Filters
Receiver
Modulations
FM 
Sensitivity
Selectivity
Receiver system
IF-frequencies
Image rejection
Audio output
Transmitter
Modulations
FM 
RF-output
High: 50 W, Medium: 10 W, Low: 2 W 
Connections
Antenna
SO-239 
Impedance
50 Ω 
Electrical
Power requirements
11-16V DC 
Current drain RX
Max 700 mA 
TX
Max 11 A 
Physical
Dimensions (w×h×d)
140 × 40 × 160 mm (5.51 × 1.57 × 6.30 in)  
Weight
1.2 kg (2.6 lbs)  
Form factor
Mobile 
Manufactured
Between 1989 and 19xx  
Other features
Memories
20 channels in 1 banks  
Usage
Amateur / Ham radio operators 
Manufacturer
Kenwood 
Model
TM-231A
Features
 
Manuals, Diagrams and Brochures
 
None available  
 
 
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