Product Name: E2000/APC Fiber Optic Adapter The fiber optic E2000 adapter is suitable for PC and APC applications. They are mainly engaged in telecommunications and network systems. This E-2000 fiber optic adapter is made of a plastic body. The shell color of each model is different for easy identification: SM is blue, MM is gray, and APC is green. Using high-precision ceramic sleeve, low insertion loss, strong temperature stability. Please note that this adapter is only available in the simplex version. Features: Spring shutters High-quality split ceramic sleeve Low insertion loss and high return loss Injection molded PBT housing UL94 V-0 rating Comply with ANSI, TIA/EIA, Bellcore, Telcordia, IEC standards Application: Telecommunications Computer network Cable TV Internet Active device termination Instrument Fibre Channel Specifications Insertion loss: ≤ 0.3 dB Interchangeability: <0.2 Repeatability (500 remate): <0.2 Working temperature: -20～70℃ Storage temperature: -40～75℃