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

General

HAM bands 2m  ? ?
Freq. stability ? ? ?
Tuning steps ? ? ?

Receiver

RX-range 144-146 MHz 29-54 / 88-108 / 137-174 / 406-512 / 520-1720 MHz 15 kHz - 31 MHz in 10 bands
Modulations FM   AM   FM   W-FM   AM   CW  
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 ? Triple conversion superheterodyne Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? 750 mW 1 W

Transmitter

TX-range 144-146 MHz - -
Modulations FM   - -
RF-output High: 25 W, Low: 5 W ? ?

Connections

Antenna SO-239 NMO + Clamps / screws + Built-in telescopic -
Impedance 50 Ω 50 Ω 72Ω
Other - - -

Electrical

Power req. 13.8V DC 10V AC Mains (110-250 V AC)
Current RX ? ? 82 W
TX ? - -

Physical

Manufactured Between 198x and 198x Between 1999 and 20xx Between 1952 and 195x in Great Britain
Dimensions ? 205 × 74 × 140 mm
(8.07 × 2.91 × 5.51 in)
747 × 385 × 451 mm
(29.41 × 15.16 × 17.76 in)
Weight ? 625 gr (1.4 lbs) 60.90 kg (134.4 lbs)
Form factor Mobile Base Station Base Station

Other features

Memories ? 50 channels in 1 bank(s) @ 25 channels/second ?
Usage Amateur / Ham radio operators Amateur / Ham radio operators Marine / Navy
Features ? Alarm clock with snooze
Auto squelch
One-touch weather
Automatic volume control
Accessories ? ? ?
MPN ALINCO-ALR-000021X UNIDEN-BEARCAT-BC000248CLT EDDYSTONE-000700