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The ADI TM-281A is a Mobile 2m transceiver. It covers 144-148 MHz for both transmit and receive. The receiver system is a Double conversion superheterodyne with IF frequencies of 1st: 10.7 MHz and 2nd: 455 kHz. RF output is 60/25/7 W. It features CTCSS / DCS and has 1 memory bank with 81 channels. The power requirements are 11-15.8 V DC. Current drain is 600 mA in receive mode and 12 A max in transmit mode. Dimensions are 40 × 140 × 166 mm.

General characteristics

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

Receiver

RX-range
144-148 MHz
Modulations
FM  
Sensitivity
0.18 µV (12 dB SINAD)
Selectivity
70 dB
Filters
?
Receiver system
Double conversion superheterodyne
IF-frequencies
1st: 10.7 MHz
2nd: 455 kHz
Image rejection
?
Audio output
?

Transmitter

TX-range
144-148 MHz
Modulations
FM  
RF-output
60/25/7 W

Connections

Antenna
SO-239
Impedance
50Ω
Other
-

Electrical

Power requirements
11-15.8 V DC
Current drain RX
600 mA
TX
12 A max

Physical

Dimensions (w×h×d)
140 × 40 × 166 mm (5.51 × 1.57 × 6.54 in)
Weight
1.20 kg (2.6 lbs)
Form factor
Mobile
Manufactured
Between 199x and 199x

Other features

Usage
Amateur / Ham radio operators
Features + options
CTCSS / DCS
Accessories
-
RigReference ID
6177
MPN
ADI-TM-000281A

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New and second-hand prices

Estimating the value of a rig can be challenging. We collect prices paid by real hams over the years to help you estimate the value of a used ADI TM-281A. Just bought or sold this model? Let us know what you traded it for and help other ham operators!

Based on similar Transceiver equipment, the estimated value of the ADI TM-281A is around:

  • USD 210 ~ USD 390

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