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Mobile Transceiver
Dual VHF Power Meter
Mobile HF/6m Transceiver

General

HAM bands 11m (CB)  6m  2m  4m  160m  80m  60m  40m  30m (WARC)  20m  17m (WARC)  15m  12m (WARC)  11m (CB)  6m  10m 
Freq. stability ? ? TCXO ± 0.5 p.p.m.
Tuning steps Channelized N/A CW/SSB: 10 Hz, AM/FM/W-FM: 0.1 kHz

Receiver

RX-range 26.965-27.405 MHz 50-175 MHz 0.3-56 MHz
Modulations AM   FM   All mode   AM   FM   CW   USB   LSB  
Sensitivity ? ? SSB/CW (10 dB S/N): 0.158 µV (1.8-30 MHz), 0.125 µV (50-54 MHz)
AM (10 dB S/N): 5 µV (0.5-1.8 MHz), 1.6 µV (1.8-30 MHz), 1.25 µV (50-54 MHz)
FM (12 dB SINAD): 0.35 µV (29 / 50-54 MHz)
Selectivity ? ? SSB/CW: 2.4 kHz (-6 dB), 3.6 kHz (-60 dB)
CW-N: 500 Hz (-6 dB), 750 Hz (-60 dB)
AM: 6 kHz (-6 dB), 15 kHz (-60 dB)
FM: 12 kHz (-6 dB), 30 kHz (-60 dB)
Filters ? ? 3 kHz roofing filter
Receiver system ? ? Double / Triple Conversion Superheterodyne
IF-freqs. ? ? 1st: 69.450 MHz (SSB/CW/AM/FM)
2nd: 450 kHz
3rd: 24 kHz
Image rejection ? ? 70 dB (HF/6 m), 60 dB (2/70 cm)
Audio output ? ? 2.5 W (@4 Ohms, 10% THD or less)

Transmitter

TX-range 26.965-27.405 MHz 50-175 MHz 10-160m + WARC + 60m / 6m
Modulations AM   FM   All mode   AM   FM   CW   USB   LSB  
RF-output 4 W ? FM/SSB/CW: 100 W, AM: 25 W

Connections

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

Electrical

Power req. 13.8 V DC ? 13.8V DC ±15%
Current RX ? ? 1.1 A (2 A max)
TX ? ? 15 A (23 A max)

Physical

Manufactured Between 19xx and 2019 Between 1979 and 1983 in USA Between 2017 and 20xx in Japan
Dimensions ? 191 × 108 × 165 mm
(7.52 × 4.25 × 6.50 in)
155 × 52 × 218 mm
(6.10 × 2.05 × 8.58 in)
Weight ? 1.40 kg (3.1 lbs) 1.90 kg (4.2 lbs)
Form factor Mobile Base Station Mobile

Other features

Memories 40 channels in 1 bank(s) None 200 channels in 1 bank(s)
Usage Citizen Band (27Mc) Amateur / Ham radio operators Amateur / Ham radio operators
Features ? ? ?
Accessories ? ? ?
MPN PRESIDENT-WALKER-TXMU100 HEATHKIT-HM-002141 YAESU-FT-000891