Note
Radio Amateur's Handbook, 1958, p. 85.
A Communicator for CD applications on fixed frequencies from 25 to 250 MHz.
Note that the 3112 Communicator is distantly different than the 3133 and 3136 CD Communicators, but is essentially identical to the model 3111, and nearly identical to the model 3227. See entry for 3111 for additional information.
Standard models were available for amateur 6, 2 and 1¼ meter bands, but could be ordered for any frequency in the range.
Receiver is fixed, crystal controlled, and utilizes double conversion. Excellent noise figure assured by a X-155 Cascode RF tube. Spurious responses are down more than 60 decibels.
Equipment is certified by manufacturer, meets applicable FCDA specifications for mobile AM Receivers and Transmitters above 25 MHz.
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Price include tubes, microphone, and crystals.