Note
QST, Jun 1960, p. 107.
QST, Sep 1960, p. 113.
QST, Oct 1960, p. 107. (inside photo)
CQ, Nov 1960, p. 37 (inside photo)
QST, Jun 1966, p. 119.
CQ, Nov 1966, p. 14.
QST, Aug 1968, p. 5 (both 3341 and 3342).
2 meters: model 3341.
6 meters: model 3342
220 MHz: model 3351 QST, Jan 1961, p. 123.
The word "Communicator" on the front panel may be in script form on early versions, and in block letters on later versions. Early and later versions also have different meter styles.
All three version were designed to work with Gonset's model 3357 VFO, usually referred to as the "Communicator VFO."
The #3409 civil defense kit (QST, May 1966, p. 119.) can be added to convert the Communicator IV for civil defense applications.
The #3362 civil air patrol kit (QST, May 1966, p. 119.) can be added to convert the Communicator IV for CAP applications.
References
Brief description. Electronics World, Nov 1960, p. 136.