【SMA adapters kit for radios】SMA antenna connectors are popular on handheld walkie-talkie antenna connections(such as:Baofeng, Woxon and Puxing Radios etc.). | 【Widely used sma adapters】Ideal for amateur HTs, antennas, SDRs, wireless lan devices, coaxial cable, VHF/UHF antenna, Wi-Fi, Radio etc. | 【Easy to mount on radios with sma connectors】Could be easily used for the Baofeng radios as they have an sma male on the radio and an sma female on the antenna(such as:to adapt the NA771 antennas to Baofeng UV-9R plus radios). And helped to make the SDR operations easier with various components . | 【Better signal transmission and corrosion protection】Impedance：50Ω; Frequency Range: DC~6GHz; Insulation material: Teflon(PTFE); Insertion loss≤0.15dB/3GHz; VSWR≤1.1.The connector housing and pin in center are made of pure brass to ensure a lower VSWR for higher transmission efficiency. | 【Package】2 x sma male to sma male connectors + 2 x sma female to sma female adapters will better suit your needs, whether your device requires a sma male connector or sma female adapter.It allows you to have a backup option when you use it, without paying more money.