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Handheld HF/VHF Receiver
Desktop Shortwave Transceiver
VHF airband receiver

General

HAM bands ? 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  10m  None 
Freq. stability ? 1 ppm/month, 1 Hz/°C after 15 min. warm-up at 25°C typical ?
Tuning steps ? ? ?

Receiver

RX-range 0.153-30 / 87.5-108 MHz 10 kHz - 30 MHz 118-140 MHz
Modulations AM   W-FM   CW   SSB   AM   CW   USB   LSB   AFSK   AM  
Sensitivity ? 0.25 µV (-118 dBm or better) for 10 dB S:N 0.75 µV (10 dB S+N/N)
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? Double conversion superheterodyne ?
IF-freqs. ? 1st: 40.455 MHz
2nd: 455 kHz
?
Image rejection ? 80 dB ?
Audio output ? ? ?

Transmitter

TX-range - 1.6-30 MHz -
Modulations - CW   USB   LSB   AFSK   -
RF-output ? 150 W (200 W high power option) ?

Connections

Antenna Built-in ferrite bar + Built-in sweep SO-239 BNC + SO-239
Impedance ? 50Ω 50Ω
Other - - -

Electrical

Power req. 6V DC 12-15V DC or mains 11-14 V DC
Current RX ? ? 300 mA max
TX - Max 40 A -

Physical

Manufactured Between 200x and 200x Between 1981 and 1984 in USA Between 1984 and 1987 in Japan
Dimensions 215 × 125 × 35 mm
(8.46 × 4.92 × 1.38 in)
412 × 198 × 452 mm
(16.22 × 7.80 × 17.80 in)
160 × 46 × 120 mm
(6.30 × 1.81 × 4.72 in)
Weight 575 gr (1.3 lbs) 22.70 kg (50.1 lbs) ?
Form factor Handheld Base Station Mobile

Other features

Memories 45 channels in 1 bank(s) 9 channels in 1 bank(s) 100 channels in 10 bank(s)
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features Digital clock with alarm/timer Dual VFO. Full QSK Computer control ?
Accessories ? ? ?
MPN ROBERTS-R-009914 SIGNAL/ONE-MILSPEC-001030 SIGNAL-COMMUNICATIONS-CORP.-R-000532