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Mobile VHF/UHF Transceiver
HF Transceiver
Mobile Shortwave Transceiver

General

HAM bands 2m  70cm  160m  80m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  10m  160m  80m  40m  20m  15m  10m 
Freq. stability +/- 2.5 p.p.m. ? ± 2.0 ppm
Tuning steps ? ? ?

Receiver

RX-range 87.5-108 / 144-146 / 430-440 MHz 0.1-30 MHz 0.5-30 MHz
Modulations AM   FM   N-FM   W-FM   AM   FM   CW   SSB   AM   FM   SSB   GMSK  
Sensitivity Main band: 0.2 µV or better (12 dB SINAD)
Sub band: 0.25 µV or better (12 dB SINAD)
? AM (10 dB S/N)
10 μV (0.5 - 1.8 MHz)
2 μV (1.8 - 30 MHz)
FM (12 dB SINAD)
0.5 μV (28 - 30 MHz)
SSB/CW (10 dB S/N)
1 μV (0.5 - 1.8 MHz)
0.25 μV (1.8 - 30 MHz)
Selectivity 12 kHz (-6 dB), 28 kHz (-60 dB) ? AM/FM: 9 kHz (-6 dB), 20 kHz (-50 dB)
SSB/CW: 2.4 kHz (-6 dB), 4.5 kHz (-60 dB)
Filters ? ? ?
Receiver system Double conversion superheterodyne ? Double conversion superheterodyne
IF-freqs. 1st: 21.7 MHz / 450 kHz
2nd: 45.1 MHz / 455 kHz
? 1st: 71.75 MHz
2nd: 455 kHz
Image rejection ? ? > 70 dB
Audio output 2W into 8 ohm @ 10% THD ? 2 W (8 ohm, 10%), 4 W (4 ohm, 10%)

Transmitter

TX-range 144-146 / 430-440 MHz 10-160 m + WARC 160-10 m
Modulations FM   N-FM   AM   FM   CW   SSB   AM   FM   SSB   GMSK  
RF-output High: 50/35 W, Medium: 20/20 W, Low: 5/5 W ? SSB/CW: 10/100 W, AM: 4/40 W

Connections

Antenna SO-239 SO-239 SO-239
Impedance 50 Ω 50 Ω 50Ω
Other - - -

Electrical

Power req. 13.8V DC +/- 15% 13.8V DC 13.8V DC ±15%
Current RX 500-700 mA ? 1.2 A
TX Max 11 A ? 20 A

Physical

Manufactured Between 2005 and 200x Between 19xx and 19xx Between 2004 and 20xx
Dimensions 140 × 40 × 185 mm
(5.51 × 1.57 × 7.28 in)
? 178 × 58 × 228 mm
(7.01 × 2.28 × 8.98 in)
Weight 1,000 gr (2.2 lbs) ? 2.70 kg (6.0 lbs)
Form factor Mobile Unknown Mobile

Other features

Memories 202 channels in 1 bank(s) ? 100 channels in 1 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features Detachable control head. Theft alarm. CTCSS & DCS. Twin RX. 1200/9600 bd packet and GPS option (EJ-50U). 10F3 digital voice board (EJ-47U) option (requires at least two similarly equipped radios). The DTMF mike is optional here in E Asian version of the IC-751 ?
Accessories ? ? ?
MPN ALINCO-DR-000635E ICOM-IC-000750 ALINCO-DX-000801