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prc-420; back-pack or vehicular hf,usb/lsb/cw/ame/fsk transceiver. built in england by plessey, the prc-420 is designed to be used & operated as a one back-pack set, 20 watt man-pack, or as a clip-in or hard-mounted vehicular station. ops 1.5-30mc in 100cps steps for a possible 285,000 channels. rf power output is a selectable 5 or 20 watts. requires 20-32vdc as supplied by various portable battery combinations or vehicular source. size 84mmh x 275mmw x 250mmd,5.6kg. known accessories include pack frame, numerous audio accessories, portable whip antenna, vehicular clip-in or hard mounts, pv421 100 watt power amplifier, pv423 vehicular antenna tuning unit, pv2324 amplifier/loudspeaker unit, pv2312 fsk modem, pv430 encryption unit, & various ancillary cables etc that allow us & european compatibility. the prc-420 (commander) first announced in 1982, as of 1988 it was said to be in full production. ref.#12
