Description: - This antenna extension cable use RG-178 cable, it is acid corrosion, high temperature resistant and wear-resistant. - This antenna extension cable, which is high-frequency and low-loss, can be power saving and reduce the dmage to antenna. - This antenna extension cable is very useful for crossing RC quadcopter multicopter, and it can fix antenna better, protect your image transmission equipment. Notice: * We have antenna extension cable RP-SMA Female to RP-SMA Male cable and SMA Female to SMA Male cable for you to choose. Inner hole interface antenna, purchase RP-SMA Male extension cable; inner pin interface antenna,purchase RP-SMA Male extension cable, this extension cable will not change antenna's interface. Package Contents: * 2 x YoCoo FPV Antenna Extension Cable RP-SMA Male to RP-SMA Female Antenna Adapter If any questions, please do not hesitate to contact us and we will try our best to help you !