Application Description: optical technology produced BIDI Bidirectional optical transceiver module, with a high-quality, low cost, at home and abroad enjoy a wide range of applications, products, mainly in telecommunications, energy, transport, railways, optoelectronics, aerospace, military, education, etc., used in: PDH, SDH, SONET, Ethernet, Fibre Channel and other business systems. Features: Double Data Rate 155Mbps ~ 10.3Gbps DFB laser and PIN, APD detector distance of 10km ~ 120km transmission line with SFP MSA and SFF-8472, holding a digital diagnostic monitoring standard internal calibration or external calibration is compatible with SONET O-C48 system standard temperature : 0 ° C to + 70 ° C up to the official website for more information.