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Desktop Shortwave Transmitter
Handheld UHF Transceiver
Desktop Shortwave receiver

General

HAM bands 80m  40m  20m  15m  10m  70cm  None 
Freq. stability Within 100 cps, after warm-up ? ?
Tuning steps ? ? Continuous

Receiver

RX-range - 440-450 MHz Regular broadcast and SW bands
Modulations - FM   AM  
Sensitivity ? ? ?
Selectivity ? ? ?
Filters ? ? ?
Receiver system ? ? Regenerative
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output ? ? ?

Transmitter

TX-range 80-10 m 440-450 MHz -
Modulations AM   CW   USB   LSB   FSK   FM   -
RF-output SSB/CW: 180 W PEP, AM: 75 W 0.4/5 W ?

Connections

Antenna SO-239 BNC SO-239
Impedance 50/75Ω 50Ω 50Ω
Other - - -

Electrical

Power req. Mains 5.5-16 V DC Mains (110 V AC)
Current RX - ? ?
TX 400 W max ? -

Physical

Manufactured Between 196x and 19xx in USA Between 198x and 199x in Japan Between 195x and 195x in USA
Dimensions 482 × 295 × 406 mm
(18.98 × 11.61 × 15.98 in)
? ?
Weight ? ? ?
Form factor Base Station Handheld Base Station

Other features

Memories ? 20 channels in 1 bank(s) None
Usage Amateur / Ham radio operators Amateur / Ham radio operators Amateur / Ham radio operators
Features ? DTMF, CTCSS/PL ?
Accessories ? ? ?
MPN HEATHKIT-HX-000010-'MARAUDER' HEATHKIT-HWS-000004XL HEATHKIT-K-000002