VHF Mobile FM Transceiver (non-EU use)  

Key Features 

Frequency Coverage: 136-174 MHz

201 Memories (100 with alpha-tagging)

65 Watt RF Output

High-Quality Front Mounted Loudspeaker

Built-In CTCSS/DCS Encoder/Decoder

Rugged Construction to US MIL-STD 810G

Replaces previous TM-271A models

Supplied With 

D.C. Cable Yes

Instruction Manual Yes, English, Spanish & French

Microphone Yes, KMC-30 Non-keypad Hand Microphone

Microphone Hanger Yes

Mounting Bracket Yes

Screw Set Yes

Amateur Radio General Features 

1750 Hz Tone Burst Function. Yes

Alphanumeric LCD Display Yes

Antenna Socket SO-239 (M-Type)

Auto Power Off Yes

Auto Repeater Offset Yes

Automatic Simplex Checker Yes

Beat Shift Function Yes

Busy Channel Lock-out Yes

Calling Channel Function Yes

Channel Display Mode Yes

CTCSS Encoder/Decoder Yes, 42 EIA Tones with Tone Scan function

DCS Encoder/Decoder Yes, 104 Tones with Tone Scan function

Direct Frequency Entry Yes

DTMF Encoder Yes

DTMF Memory Yes, 10 DTMF memories of 16 digits each

High-Quality Front Speaker Yes

Illuminated Front Panel Keys Yes

Key Beep On/Off Yes

Key Lock Yes

Loudspeaker Socket 3.5 mm

Memory Channel Lock-out Yes

Memory Channels 201 Channels

Memory Channels with Alpha-tagging 100 Memory Channels

Menu System for individual set-up Yes

Microphone Socket RJ-45

Monitor Function Yes

MR-Shift Yes

Multiple Scan Functions Yes

PC Programmable Memories Yes

Power-On Message Yes

Reverse Repeater Checker Yes

Time-Out Timer Yes

Variable LCD Brightness with Automatic Dimmer Yes

Wide/Narrow Deviation Selection Yes

Amateur Mobile Specifications 

RF Output Power (approx.) - High 65 W

RF Output Power (approx.) - Low 25 W

TX Frequency Coverage - VHF 136 MHz to 174 MHz

RX Frequency Coverage - VHF 136 - 174 MHz

Transmitter Modulation Variable-Reactance modulation

Transmitter Modulation Distortion Less than 3% (300 Hz to 3 kHz)

Transmitter Maximum Frequency Deviation - Wide ± 5 kHz

Antenna Impedance - 50 Ohm Yes

Audio Output Power More than 2 W (5% Distortion)

Weight 1.13 kg (approx.)

Current Drain - RX Less than 1 A

Current Drain - TX Less than 14 A (Hi-Power), Less than 8 A (Low-Power)

Dimensions 160 mm (W) x 43 mm (H) x 126 mm (D) - excluding projections

Frequency Step Sizes 2.5, 5, 6.25, 10, 12.5, 15, 20, 25, 30, 50 and 100 kHz

Frequency Stability ± 2.5 ppm (-20 °C to +60 °C)

Microphone Impedance 600 Ohms

Modes - F3E FM Yes

Operating Temperature Range -20 °C to +60 °C

Power Requirement - 13.8 V DC ± 15% Yes

Receiver Circuitry Double Super Heterodyne

Receiver Intermediate Frequency - 1st IF 49.95 MHz

Receiver Intermediate Frequency - 2nd IF 450 kHz

Receiver Selectivity - Narrow More than 10 kHz at -6 dB, Less than 24 kHz at -60 dB

Receiver Selectivity - Wide More than 12 kHz at -6 dB, Less than 30 kHz at -60 dB

Receiver Sensitivity - Narrow Less than 0.22 µV at 12 dB SINAD

Receiver Sensitivity - Wide Less than 0.18 µV at 12 dB SINAD

Receiver Squelch Sensitivity Less than 0.1 µV

Applicable Standards 

MIL-STD 810 C/D/E/F/G Yes


  • Product Code: TM-281AM2
  • Availability: In Stock

Tags: Amateur, mobiles transceiver