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Desktop VHF/UHF Scanner / receiver
Marine Shortwave receiver IMR54
HF Receiver

General

HAM bands 6m  2m  70cm  ? ?
Freq. stability ? ? ?
Tuning steps 5 / 12.5 / 25 kHz ? ?

Receiver

RX-range 30-54 / 108-136 / 138-174 / 380-512 MHz (USA)
68-88 / 108-136 / 138-174 / 380-512 MHz (EU)
15 kHz - 31 MHz in 10 bands 0.5-30.5 MHz in 30 bands
Modulations AM   FM   AM   CW   AM   CW   SSB   FSK  
Sensitivity ? 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 Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? 1 W ?

Transmitter

TX-range - - -
Modulations - - -
RF-output ? ? ?

Connections

Antenna F-type - Clamps / screws
Impedance 50Ω 72Ω 50Ω
Other - - -

Electrical

Power req. Mains Mains (110-250 V AC) Mains
Current RX 17W 82 W Max 100 W
TX - - -

Physical

Manufactured Between 198x and 198x in Japan Between 1952 and 195x in Great Britain Between 1964 and 196x in Great Britain
Dimensions 270 × 67 × 190 mm
(10.63 × 2.64 × 7.48 in)
747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
483 × 222 × 400 mm
(19.02 × 8.74 × 15.75 in)
Weight ? 60.90 kg (134.4 lbs) 40.00 kg (88.3 lbs)
Form factor Base Station Base Station Base Station

Other features

Memories 20 channels in 1 bank(s) @ 10 channels/second ? ?
Usage Amateur / Ham radio operators Marine / Navy Amateur / Ham radio operators
Features 1 Limit search memory
Direct entry system
Automatic volume control ?
Accessories ? ? ?
MPN RADIOSHACK-REALISTIC-PRO-002010 EDDYSTONE-000700 EDDYSTONE-000880/3