Receiver only set with amp for interphone. see SCR-838 for next generation version.
- TM 11-600
- Schematic Diagrams for Maintenance of Ground Radio Communication Set
- October 1942
- TM 11-2704, 44. Installation of Radio and Interphone Equipment in Medium Tank M4 Series, 26 pages. PB 60520 - BSIR 4(12):1044; 03/21/47
TM 11-2704 1944 (Museum TD, Soesterberg/Corjan de Wit}}