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Mobile CB Transceiver
Desktop ULF/VLF Receiver
Mobile CB Transceiver

General

HAM bands 11m (CB)  2000m  11m (CB) 
Freq. stability ? ? ?
Tuning steps Channelized Continuous ?

Receiver

RX-range 26.965-27.405 MHz 15-500 / 500-1500 kHz (2 ranges, 7 bands) 26.965-27.405 MHz
Modulations AM   SSB   AM   CW   FSK   AM   FM  
Sensitivity AM: 0.5 µV
SSB: 0.25 µV
6 µV ?
Selectivity ? ? ?
Filters ? 0.1 / 1 / 2 / 4 / 8 kHz ?
Receiver system ? Double conversion cuperheterodyne, including circuit arragement for cancelling drift of crystal oscillator (34 tubes) ?
IF-freqs. ? ? ?
Image rejection 90 dB ? ?
Audio output 2.5 W 500 mW unbalanced, 10 mW balanced Internal speaker

Transmitter

TX-range 26.965-27.405 MHz - 26.965-27.405 MHz
Modulations AM   SSB   - AM   FM  
RF-output AM: 4 W, SSB: 12 W ? 4 W

Connections

Antenna SO-239 Proprietary SO-239
Impedance 50Ω 125Ω 50Ω
Other - - -

Electrical

Power req. 13.8V DC Mains (115/230 V AC) 13.2 V DC
Current RX 500 mA 250 W with oven on, 150 W when oven off ?
TX 3 A max - 1.8 A max

Physical

Manufactured Between 19xx and 19xx Between 1951 and 19xx in USA Between 20xx and 20xx
Dimensions 154 × 52 × 194 mm
(6.06 × 2.05 × 7.64 in)
483 × 267 × 438 mm
(19.02 × 10.51 × 17.24 in)
125 × 38 × 103 mm
(4.92 × 1.50 × 4.06 in)
Weight 1.20 kg (2.6 lbs) 37.20 kg (82.1 lbs) including power supply PP-621/URR ?
Form factor Mobile Base Station Mobile

Other features

Memories 40 channels in 1 bank(s) None 40 channels in 1 bank(s)
Usage Citizen Band (27Mc) Amateur / Ham radio operators Citizen Band (27Mc)
Features ? Operating altitude up to 10,000 feet CTCSS / DCS
Accessories ? ? ?
MPN RADIOSHACK-/-REALISTIC-TRC-000485 COLLINS-R-000389/URR PRESIDENT-WILLIAM