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

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)
0.6-30 MHz in 5 bands 15 kHz - 31 MHz in 10 bands
Modulations AM   FM   CW   AM   CW  
Sensitivity ? ≥ 2 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 ? 5 kHz
300 Hz with optional crystal filter
Wide, Intermediate, Narrow and Very narrow settings.
500 Hz ... 25 kHz
Filters ? ? ?
Receiver system ? Superheterodyne Double conversion superheterodyne
IF-freqs. ? 450 kHz ?
Image rejection ? ? ?
Audio output ? 3 W 1 W

Transmitter

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

Connections

Antenna F-type - -
Impedance 50Ω 70Ω 72Ω
Other - - -

Electrical

Power req. Mains Mains Mains (110-250 V AC)
Current RX 17W 65 W 82 W
TX - - -

Physical

Manufactured Between 198x and 198x in Japan Between 1946 and 194x in Great Britain Between 1952 and 195x in Great Britain
Dimensions 270 × 67 × 190 mm
(10.63 × 2.64 × 7.48 in)
426 × 222 × 254 mm
(16.77 × 8.74 × 10.00 in)
747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
Weight ? ? 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 ? ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Marine / Navy
Features 1 Limit search memory
Direct entry system
Noise limiter
S-meter
Automatic volume control
Accessories ? ? ?
MPN RADIOSHACK-REALISTIC-PRO-002010 EDDYSTONE-000504 EDDYSTONE-000700