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Mobile Transceiver
Desktop HF/VHF/UHF Scanner / receiver
Desktop Transceiver

General

HAM bands 11m (CB)  ? 11m (CB) 
Freq. stability ? ? ?
Tuning steps Channelized 5 / 12.5 / 25 kHz Channelized

Receiver

RX-range 26.965-27.405 MHz 5-550 / 800-1300 MHz 26.965-27.255 MHz
Modulations AM   AM   FM   W-FM   CW   USB   LSB   AM  
Sensitivity ? FM 0.45µV @ 12 dB SINAD
W-FM 1.0µV @ 12 dB SINAD
AM 1.0µV @ 10 dB S/N
0.4 µV for 10 dB S/N
Selectivity ? ? 7 kHz @ -6 dB
21 kHz @ -60 dB
Filters ? ? ?
Receiver system ? ? Crystal controlled single conversion superheterodyne
IF-freqs. ? ? 455 kHz
Image rejection ? ? ?
Audio output ? 500 mW into 8 ohms @ 10% THD 3 W

Transmitter

TX-range 26.965-27.405 MHz - 26.965-27.255 MHz
Modulations AM   - AM  
RF-output 4 W ? 2.8 W

Connections

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

Electrical

Power req. ? 11-16V DC Mains
Current RX ? ? ?
TX ? - ?

Physical

Manufactured Between 19xx and 19xx Between 1985 and 199x Between 195x and 196x in USA
Dimensions 115 × 35 × 180 mm
(4.53 × 1.38 × 7.09 in)
150 × 55 × 180 mm
(5.91 × 2.17 × 7.09 in)
143 × 178 × 290 mm
(5.63 × 7.01 × 11.42 in)
Weight ? 650 gr (1.4 lbs) 5.40 kg (11.9 lbs)
Form factor Mobile Base Station Base Station

Other features

Memories 40 channels in 1 bank(s) 1984 channels in 62 bank(s) @ 36 channels/second 10 channels in 1 bank(s)
Usage Citizen Band (27Mc) Amateur / Ham radio operators Citizen Band (27Mc)
Features ? ? ?
Accessories ? ? ?
MPN PRESIDENT-JOHNNY AOR-AR-002500 E.F.-JOHNSON-MESSENGER-II