4-Channel 3G-SDI Fiber Converter with RS485 & 4Ch Tally, 1080P@60Hz, 4Ch Loop Output, Single-Mode 20km SC/ST/LC/FC Fiber port

4-Channel 3G-SDI Fiber Converter with RS485 & 4Ch Tally, 1080P@60Hz, 4Ch Loop Output, Single-Mode 20km SC/ST/LC/FC Fiber port

Aliexpress UK