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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.

General characteristics

HAM bands
2m 
Frequency stability
?
Tuning steps
?
Memories
20 channels in 1 bank(s)

Receiver

RX-range
144-146 MHz
Modulations
FM  
Sensitivity
?
Selectivity
?
Filters
?
Receiver system
?
IF-frequencies
?
Image rejection
?
Audio output
?

Transmitter

TX-range
144-146 MHz
Modulations
FM  
RF-output
High: 50 W, Medium: 10 W, Low: 2 W

Connections

Antenna
SO-239
Impedance
50 Ω
Other
-

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
1.20 kg (2.6 lbs)
Form factor
Mobile
Manufactured
Between 1989 and 19xx

Other features

Usage
Amateur / Ham radio operators
Features + options
-
Accessories
-
RigReference ID
5444
MPN
KENWOOD-TM-000231A

Manuals, diagrams and brochures

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