Icom IC-281A Amateur VHF Telsiz

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Icom IC-281A 2 meter mobile FM transceiver boasts 50 watts output plus 440 band receive (440-450 MHz) for full duplex crossband operation. Other features include 60 regular memories, 10 scratch pad memories, 14 auto dialer memories, built-in pager and code squelch functions and auto memory channel advance. The IC-281H is packet ready. A data jack is available for direct TNC connection, supporting speeds up to 9600 baud. It features a huge heat sink. Requires 10.5 amps at 13.8 VDC. Included HM-77 DTMF hand mic. 5.5 x 1.6 x 6.7 inches 2.1 pounds. 

Icom IC-281A
Type:Amateur VHF transceiver
Frequency range:TX: 144-148 MHz
RX: 136-174 / 400-479 MHz
Tuning steps:5 / 10 / 12.5 / 15 / 20 / 25 / 30 / 50 KHz
Mode:FM
Memory channels:30 regular, 6 scan edge and 1 call channel per band (74 in total)
Power supply:13.8 VDC ±15%
Current drain/power consumption:RX: 0.8-1 A
TX: Max 6 A
Antenna impedance/connector:50 ohms / SO-239
Dimensions (W*H*D):140*40*171 mm (5.5*1.6*6.7")
Weight:930 gr (2.1 lb)
Other features:Capable of 1200/9600 bd packet operation




RECEIVER SECTION
Receiver system:Double conversion superheterodyne
1st IF: 30.85 MHz
2nd IF: 455 KHz
Sensitivity:VHF: 0.16 uV (12 dB SINAD)
UHF: 0.2 uV (12 dB SINAD)
Selectivity:15 KHz (-6 dB)
30 KHz (-60 dB)
Image rejection:60 dB
AF output power/speaker:2.4 W at 10% distortion / 8 ohms
External speaker connector:3.5 mm / 4-8 ohms




TRANSMITTER SECTION
RF output power:Hi: 25 W
Mid: 10 W
Lo: 2 W
Modulation system:Variable reactance
Max FM deviation:±5 KHz
Spurious emissions:Less than -60 dB
Microphone connector/impedance:8-pin modular / 600 ohms




MISCELLANEOUS
Manufactured:Japan, 1994-199x (Discontinued)
Additional info:
Related documents:User manual (5.7 MB)
Modifications:
Options/Accessories:
AH-32
AHB-32
HM-77
HM-78
HM-79
IC-PS30
MB-17A
MB-27
OPC-346
OPC-347
OPC-440
SP-7
SP-10
SP-12
UT-66
UT-85
2 m/70 cm dual band antenna
Trunk mount with coax cable, for AH-32
DTMF hand microphone
Hand microphone
Hand microphone with 1750 Hz tone call
DC power supply, 13.8 VDC 25 A
One-touch mobile mounting bracket
Standard mobile mounting bracket
DC power cable, 3 m (9.8 ft)
DC power cable, 7 m (23 ft)
Mic extension cable, 5 m (16.4 ft)
External speaker
External speaker
External speaker
Voice synthesizer unit
Tone squelch unit, RX & TX
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