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Handheld HF/VHF/UHF Scanner / receiver
Desktop Transceiver
Base Station CB Transceiver

General

HAM bands 160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  2m  1.25m  70cm  33cm  23cm  10m  4m  11m (CB)  11m (CB) 
Freq. stability ? ? 0.005%
Tuning steps 0.05 / 0.1 / 1 / 5 / 6.25 / 9 / 10 / 12.5 / 20 / 25 / 50 / 100 kHz Channelized 0.1 / 1 / 10 / 10 kHz / 1 MHz

Receiver

RX-range 0.53-1650 MHz (tunes down to 0.1 kHz) 26.965-27.255 MHz 28-29.699 MHz
26-32 MHz for export models
Modulations AM   FM   W-FM   CW   SSB   AM   AM   FM   CW   SSB  
Sensitivity AM (10 dB S/N)
0.53-2 MHz: 10 µV
2-30 MHz: 1.5 µV
30-1000 MHz: 0.5 µV
FM (12 dB SINAD)
2-30 MHz: 1.5 µV
30-1000 MHz: 0.5 µV
1000-1300 MHz: 1 µV
W-FM (12 dB SINAD)
30-1000 MHz: 0.75 µV
SSB/CW (10 dB S/N)
2-30 MHz: 1 µV
30-1000 MHz: 0.5 µV
0.4 µV for 10 dB S/N AM: 1.0 µV (10 dB S/N)
SSB/CW: 0.2 µV (10 dB S/N)
FM: 1.0 µV (20 dB S/N)
Selectivity ? 7 kHz @ -6 dB
21 kHz @ -60 dB
?
Filters ? ? ?
Receiver system Superheterodyne Crystal controlled single conversion superheterodyne Double conversion superheterodyne
IF-freqs. 1st: 592.3 / 227.5 MHz
2nd: 45.1 MHz
3rd: ?
455 kHz 10.695 MHz
455 kHz
Image rejection ? ? 65 dB
Audio output 100 mW 3 W 2.5 W

Transmitter

TX-range - 26.965-27.255 MHz 28-29.699 MHz
26-32 MHz for export models
Modulations - AM   AM   FM   CW   SSB  
RF-output ? 2.8 W SSB: 100 W, AM/FM/CW: 50 W

Connections

Antenna BNC - SO-239
Impedance 50Ω 50Ω 50Ω
Other - - -

Electrical

Power req. 4 × AA/LR6 or external 12 V DC Mains Mains
Current RX 10-140 mA ? ?
TX - ? ?

Physical

Manufactured Between 1993 and 19xx in Japan Between 195x and 196x in USA Between 19xx and 19xx
Dimensions 64 × 155 × 38 mm
(2.52 × 6.10 × 1.50 in)
143 × 178 × 290 mm
(5.63 × 7.01 × 11.42 in)
?
Weight 320 gr (11.3 oz) 5.40 kg (11.9 lbs) ?
Form factor Handheld Base Station Base Station

Other features

Memories 1000 channels in 10 bank(s) @ 30 channels/second 10 channels in 1 bank(s) ?
Usage Amateur / Ham radio operators Citizen Band (27Mc) Citizen Band (27Mc)
Features ? ? ?
Accessories ? ? ?
MPN YUPITERU-MVT-007100 E.F.-JOHNSON-MESSENGER-II CRT-HERCULE-TURBO