Durable, precise and reliable: Telegärtner fibre optic connectors with plug ferrule and coupling sleeve made of zirconia ceramic exceed the valid international standards. In the APC (Angled Physical Contact) design with an angled face (8° grinding angle), they offer a return loss of more than 60 dB and thus meet the highest demands. https://elecena.pl/product/17837598/j08071a0019-fo-adapter-lc-quadruple 2021-04-23 https://elecena.pl/product/17837598/j08071a0019-fo-adapter-lc-quadruple 2025-08-24