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Desktop HF/VHF Receiver
Desktop Transceiver
Mobile VHF/UHF Transceiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  11m (CB)  2m  70cm 
Freq. stability ? ? ± 2.5 p.p.m.
Tuning steps Continuous Channelized 25 / 20 / 12.5 kHz

Receiver

RX-range 0.538-34 MHz (1.580-1.720 gap) 26.965-27.255 MHz 136-174 MHz
400-470 / 450-500 / 350-400 MHz (depending on version)
Modulations AM   CW   SSB   AM   FM  
Sensitivity ? 0.5 µV 0.28 / 0.33 / 0.35 μV
Selectivity ? 6 kHz @ -6 dB
30 kHz @ -60 dB
75 / 70 / 65 dB
Filters ? ? ?
Receiver system ? Dual conversion superheterodyne ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? 3 W 5W (less than 5% distortion) 3W (less than 3% distortion)

Transmitter

TX-range - 26.965-27.255 MHz 136-174 MHz
400-470 / 450-500 / 350-400 MHz (depending on version)
Modulations - AM   FM  
RF-output ? 5 W 5 / 25 W

Connections

Antenna - - -
Impedance ? 50Ω 50Ω
Other - - -

Electrical

Power req. Mains 12 V DC 13.6V DC ±15%
Current RX ? ? 2 A max
TX - ? 8 A max

Physical

Manufactured Between 1964 and 1971 Between 195x and 196x in USA Between 201x and 201x in China
Dimensions 476 × 203 × 248 mm
(18.74 × 7.99 × 9.76 in)
157 × 55 × 222 mm
(6.18 × 2.17 × 8.74 in)
152 × 43 × 125 mm
(5.98 × 1.69 × 4.92 in)
Weight 13.20 kg (29.1 lbs) 2.30 kg (5.1 lbs) 1,000 gr (2.2 lbs)
Form factor Base Station Mobile Mobile

Other features

Memories None 12 channels in 1 bank(s) 128 channels in 1 bank(s)
Usage Amateur / Ham radio operators Citizen Band (27Mc) Commercial / Land mobile communication
Features ? PA output use in vehicle Short message
Accessories ? ? ?
MPN HALLICRAFTERS-SX-000122 E.F.-JOHNSON-MESSENGER-III HYTERA-TM-000610