RT-647/PRC-47

is a portable HF radio for special forces, the first HF radio used in larger numbers.

Actually it is a two- men- portable; one man carried the radio; the other carried the separate Silver battery in its case, amongst other things.

It is partially transistorized except four tubes.

Frequency range:

2 ... 12 MHz

HF output:

20 W / 100 W

Frequency control:

Synthesizer

Mode:

CW, USB, FSK

Frequency:

tunable

Sensibility:

2 µV

Powered by:

Battery BB-451; 24 V

Power supply PP-3518; 115 V 400 Hz

Manufacturer:

Collins

Year of issue:

1960

Replaced by:

PRC-74