Note
QST, Sep 1953, p. 123.
QST, Dec 1954, p. 87. (3057 for 12 VDC)
Allied Radio catalog 1955 (copyright 1954), p. 191.
Sometimes referred to as the "deluxe" model. See, for example ,QST, Aug 1954, p. 82.
The Communicator II is the same as the Communicator I, with the addition of a squelch circuit.
References
Technical description. Radio News, May 1954, p. 63.