It allows you to connect a device with an SMA Male Female connector to UHF Male PL-259 Female SO239 connector.Compatible with two way radios with UHF SMA Male Female antenna connector.Should fit ...

This adapter reads information from SMA Energy Meter (EMETER-20) and Sunny Home Manager 2 (HM-20). It supports the SMA-EMETER-protocol-2. Thus also compatible energy meters from other manufacturers ...

Do the SMA connectors on the router function, and if so, am I correct in thinking that they are for 4G antennas? Has anyone noted any discernible difference when using such?