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Desktop VHF/UHF Scanner / receiver
Desktop Transceiver
Marine Shortwave receiver IMR54

General

HAM bands 6m  2m  70cm  11m (CB)  ?
Freq. stability ? ± 135 Hz ?
Tuning steps 5 / 12.5 / 25 kHz Channelized ?

Receiver

RX-range 30-54 / 108-136 / 138-174 / 380-512 MHz (USA)
68-88 / 108-136 / 138-174 / 380-512 MHz (EU)
26.965-27.405 MHz 15 kHz - 31 MHz in 10 bands
Modulations AM   FM   AM   SSB   AM   CW  
Sensitivity ? AM: 0.5 µV
SSB: 0.25 µV
15-160 kHz: 4-20 µV (10 dB S/N)
160-1500 kHz: 6-10 µV (10 dB S/N)
1.5-4 MHz: 1.5-3 µV (10 dB S/N)
4-10 MHz: 2-6 µV (10 dB S/N)
10-31 MHz: 2-10 µV (10 dB S/N)
Selectivity ? ? Wide, Intermediate, Narrow and Very narrow settings.
500 Hz ... 25 kHz
Filters ? ? ?
Receiver system ? ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? 85 dB ?
Audio output ? 8 Ohm, 2.5 Watt 1 W

Transmitter

TX-range - 26.965-27.405 MHz -
Modulations - AM   SSB   -
RF-output ? AM: 4 W, SSB: 12 W ?

Connections

Antenna F-type SO-239 -
Impedance 50Ω 52Ω 72Ω
Other - - -

Electrical

Power req. Mains Mains / 12-16 V DC Mains (110-250 V AC)
Current RX 17W ? 82 W
TX - ? -

Physical

Manufactured Between 198x and 198x in Japan Between 197x and 19xx Between 1952 and 195x in Great Britain
Dimensions 270 × 67 × 190 mm
(10.63 × 2.64 × 7.48 in)
340 × 100 × 290 mm
(13.39 × 3.94 × 11.42 in)
747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
Weight ? 6.50 kg (14.3 lbs) 60.90 kg (134.4 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories 20 channels in 1 bank(s) @ 10 channels/second 40 channels in 1 bank(s) ?
Usage Amateur / Ham radio operators Citizen Band (27Mc) Marine / Navy
Features 1 Limit search memory
Direct entry system
? Automatic volume control
Accessories ? ? ?
MPN RADIOSHACK-REALISTIC-PRO-002010 RADIOSHACK-/-REALISTIC-TRC-000490 EDDYSTONE-000700