... , high reliability and performance. 2. Features« 1-channel unidirectional or bidirectional 3G/HD/SD-SDI with embedded audio over one fiber « Work ... transmission HC4011-T19.4Mb/s to 2.97Gb/s, 1-ch 3G-SDI with 1-ch embedded audio input over one fiber, single ... , 20km (0-120km optional), Mini typeHC4011-R1-ch 3G-SDI with 1-ch embedded audio output over one fiber, single mode , single ...