Hello
Your plate refers to the remote control device (Fa 16) of the “standard” Lw radio FuG 16 (your other picture)
The details are here :
https://www.cdvandt.org/D-Luft-T-400...FA16-FBG16.pdf for the remote control and
https://www.cdvandt.org/Fugb-S-XVI-Z-ZY.pdf for the FuG 16 radio.
On the Me 262, the FuG 16 version should be the ZY, with ground based DME circuitry (Y Verfahren)
Have a nice day
J Schreiber