Cordless Phones
Elenzk Micro Mini Gigabit Fiber Media Converter, 10/100/1000Mbps Ethernet IP Copper to Fiber Converter with 1310/1550nm Single Mode Single Fiber 20km SFP Modules, DC 5V USB Type-C Power Input
Auto Sensing 100/1000Base-FX: The SFP fiber port supports 100/1000Base-FX, auto detect. You can choose 155M or 1.25G SFP module accordingly Ultra Compact: This SFP fiber media converter size is 3.11x10.6x0.71 inch, even smaller than other similar...
https://www.bizrate.co.uk/cordlessphones/elenzk-micro-mini-gigabit-fiber-oid40191729762.html