Wireless Set No. 38 AFV was a version developed for mounting in AFV's.
It was powered by 12V and normally used in conjunction with a No. 19 Set to link the Infantry No. 38 Set to a No. 19 Set net.
The set comprise two units: Wireless Set No. 38 AFV and Power Supply and LF Amplifier Unit No. 1, both normally mounted on top of the No. 19 Set.
Operation of the No. 38 AFV Set is by the standard No. 19 Set headgear assembly via Control Units No. 16 and No. 17.
Wireless Set No. 38 AFV is principally a No. 38 Mk.II* Set, slightly modified and operated by a relay.
PSU and LF Amplifier Unit No. 1 provides LT and HT to the No. 38 AFV and amplifies its audio output.
Wireless Set No. 38 AFV Power Supply and LF Amplifier Unit No. 1.