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Description:

On or off the road,TM-281A is a mobile radio you can always count on. As tough as nails, this MIL-STD-compliant transceiver delivers powerful performance, excellent audio clarity, and a host of advanced features. It offers superb operating ease day or night thanks to the large backlit LCD and illuminated keys. So the next time you take off, take the TM-281A.
On or off the road, TM-281A is a mobile radio you can always count on. As tough as nails, this MIL-STD 810 C/D/E/F/G compliant transceiver delivers powerful performance, excellent audio clarity, and a host of advanced features. It offers superb operating ease day or night thanks to the large backlit LCD and illuminated keys. So the next time you take off, take the TM-281A.

Key Features:

65 Watt RF Output
136-174 MHz Operation
Rugged Construction to MIL-STD 810 C/D/E/F/G Standards
Alpha-Numeric Display
High-Quality Front Mounted Loudspeaker
Built-In CTCSS/DCS Encoder/Decoder

General Features:

Alphanumeric LCD Display Yes
Antenna Socket SO-239 (UHF Female)
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
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 Band Deviation Selection Yes

Specifications:

RF Output Power (approx.) - High 65 W
RF Output Power (approx.) - Low 25 W
TX Frequency Coverage - VHF 136 - 174 MHz (If you want UHF 400-470（MHz）, Contact me freely, We have 481A for it)
RX Frequency Coverage - VHF 136 - 174 MHz (If you want UHF 400-470（MHz）, Contact me freely, We have 481A for it)
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

Packing List:

1x Mobile Radio Body

1x MC-59 DTMF Keypad Microphone

1x 10' DC Power Cable

1x Mounting Bracket

1x Microphone Hanger

1x Necessary Hardware

Note: You will need an antenna that's made for the frequency that you need to transmit on. Also, your antenna mount cable will need to be terminated with a PL-259 (UHF Male) type connector for this Radio.