Sennheiser EK 100 G4 Camera-Mount Wireless Receiver (D: 780 to 822 MHz)
Sennheiser EK 100 G4 Specs. Sensitivity < 1.6 μV for 52 dBA eff S/N (with HDX, peak deviation). Frequency Band D: (780 to 822 MHz). Switching Bandwidth Up to 42 MHz. 1 frequency bank with up to 12 programmable channels.