👍【BOOBRIE Upgraded SMA Adapter】2 type 4ps: 2 X SMA Female to RP-SMA Male, 2 X SMA Female to RP-SMA Female. RP = Reverse Pin/Polarity - Therefore the female will have a pin, the male will have a hole. Style: Straight 👍【Real Low VSWR Test】Frequency Range: DC-18 GHz; VSWR≤1.2 ; Insulation material: Teflon(PTFE); Impedance: 50 Ohm. We have focused on upgrading our products VSWR below to 1.2. And Excellent conductivity to minimize signal loss and increase transmission capability. 👍【Corrosion Resistance Upgrade】BOOBRIE Upgraded gold-plated connectors won’t tarnish or decrease conductivity over time. Real Gold Plated Copper ensures. After 72 Hours Salt Spray Environmental Test, defy oxidation and chemicals, ensuring lasting performance in outdoor, marine, and industrial settings than general adapters, even in challenging conditions. 👍【Easy to Use】Used for Antennas, Wireless LAN Devices, Coaxial Cable, Wi-Fi Radios External Antenna, FPV Race RX5808 Fatshark Goggles Antenna, FPV Drone, Signal Booster, Radio, Extension Cable. 👍【Package & Service】4 pieces sma female to rpsma male/female upgraded connectors. If you have any questions, please feel free to send us an email and we will be happy to answer them for you. SMA Connectors kit