A 50cm low loss flat and flexible coax adapter cable with a 50Ω impedance. 

A end connector is SMA female, B end connector is SMA male. 

Great for use with 4G or 5G routers/antennas as well as GPS Wi-Fi LoRa and other RF applications. 

Can be used to pass through window and door frames whilst still being able to fully close the window/door. 

No need to drill holes!