David Clark 40136G-01 RADIO INTFC/HDST STA U3815

David Clark U3815 Radio Interface Module Overview:

Combines the transmit/receive functions of a mobile radio with the David Clark 3800 Intercom System. This module has one headset jack with listen level control, one PTT switch, one radio input connector (C3821), two intercom connectors (C38-XX) and one connector allowing use of an optional Footswitch (40071G-04) or other remote PTT.  7"L x 4-1/3"W x 3-1/8"D.