The Telguard CTXL-12 is a 12ft low loss, high performance, radio frequency coaxial adapter cable for 5G LTE-M and LTE Networks. It was designed to connect cellular devices (requiring an SMA connection) to remotely mounted commercial grade antennas (with TNC connections) to enhance cellular connectivity with minimal loss. Compatible with Telguard TG-1 Express Residential series and any cellular device with an SMA connector. It comes with a 9in TNC-connected antenna (p/n 72012101) and all necessary hardware.