The Lynx Technik AG Duplex LC Connector to Duplex ST Connector Fiber Optic Adapter Kit includes a 19.6” singlemode fiber cable and a gender change adapter. It allows the use of ST fiber connections on the OTT 1812 Dual 3G-SDI to Fiber Optic Transmitter. The adapter cable introduces less than 0.25 dB attenuation.