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Desktop Shortwave receiver
Mobile VHF Transceiver
Desktop VHF receiver

General

HAM bands ? 6m  2m 
Freq. stability ? ? Drift less than 0.003 of 1% per °C and less than 0.003 of 1% for a 5% mains voltage change
Tuning steps ? 100 kHz ?

Receiver

RX-range 0.15-24 MHz in 5 bands 38-55 MHz 19-165 MHz in 6 bands
Modulations AM   FM   AM   FM   W-FM   CW  
Sensitivity ? ? Better than 5 µV (S/N 15 dB)
Selectivity ? ? AM/CW: 50 kHz @ -40 dB
N-FM: 80 kHz @ -40 dB
W-FM: 175 kHz @ -40 dB
Filters ? ? ?
Receiver system Single conversion, 5 tubes ? Single conversion superheterodyne
IF-freqs. ? ? 5.2 MHz
Image rejection ? ? ?
Audio output ? External handset 2.5 W

Transmitter

TX-range - ? -
Modulations - FM   -
RF-output ? 0.9 W ?

Connections

Antenna - BNC + Proprietary (military) -
Impedance ? 50Ω 72Ω
Other - - -

Electrical

Power req. Mains 1.5, -6, 67.5 and 135 V DC 12 V DC from battery pack and a built-in voltage converter Mains (110 / 200-240 V AC)
Current RX ? ? 90 VA
TX - ? -

Physical

Manufactured Between 1962 and 1963 in Great Britain Between 196x and 197x in Sweden by SRA Between 1963 and 196x in Great Britain
Dimensions 279 × 162 × 208 mm
(10.98 × 6.38 × 8.19 in)
265 × 455 × 85 mm
(10.43 × 17.91 × 3.35 in)
425 × 222 × 346 mm
(16.73 × 8.74 × 13.62 in)
Weight 5.20 kg (11.5 lbs) 4.60 kg (10.1 lbs) 23.60 kg (52.1 lbs)
Form factor Base Station Mobile Base Station

Other features

Memories ? ? ?
Usage Amateur / Ham radio operators Military communication Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN EDDYSTONE-000870A MILITARY-RA-000105 EDDYSTONE-000770R-MK.-II