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Handheld VHF/UHF Scanner / receiver
Mobile Transceiver
Dual VHF Power Meter

General

HAM bands 2m  70cm  11m (CB)  6m  2m  4m 
Freq. stability ? ? ?
Tuning steps Fixed x-tal channels Channelized N/A

Receiver

RX-range 33-47 / 152-164 / 450-470 / 470-508 MHz 26.965-27.405 MHz 50-175 MHz
Modulations FM   AM   FM   All mode  
Sensitivity VHF: 0.6 µV for 20 dB quieting
UHF: 1.0 µV for 20 dB quieting
? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system XTAL ? ?
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output 100 mW ? ?

Transmitter

TX-range - 26.965-27.405 MHz 50-175 MHz
Modulations - AM   FM   All mode  
RF-output ? 4 W ?

Connections

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

Electrical

Power req. 6 V DC (4×AAA) 13.8 V DC ?
Current RX ? ? ?
TX - ? ?

Physical

Manufactured Between 1979 and 198x Between 19xx and 2019 Between 1979 and 1983 in USA
Dimensions 70 × 158 × 25 mm
(2.76 × 6.22 × 0.98 in)
? 191 × 108 × 165 mm
(7.52 × 4.25 × 6.50 in)
Weight 225 gr (7.9 oz) ? 1.40 kg (3.1 lbs)
Form factor Handheld Mobile Base Station

Other features

Memories 6 channels in 1 bank(s) 40 channels in 1 bank(s) None
Usage Amateur / Ham radio operators Citizen Band (27Mc) Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN UNIDEN-BEARCAT-FOUR-SIX-TS PRESIDENT-WALKER-TXMU100 HEATHKIT-HM-002141