In-Line RF booster 470-990MHz 6dB / 12dB | Audio-Technica https://www.audio-technica.com/nl-nl/atw-b80wb
ATW-B80WB In-Line RF booster 470-990MHz 6dB / 12dB – Pair of Wideband UHF in-line antenna boosters, Covering the frequency range: 470 – 990 MHz, +12 dB / +6 dB gain selector switch and Requires 12V DC antenna power
For use with Audio-Technica UHF receivers and RF Venue