The UHF 433 MHz antenna is designed to attach directly to any SkyRFID 433 MHz reader. It can also be used with any application that requires a 3.0 dBi Omni Directional antenna for transponder reading. VSWR is typically less than 1.5:1.
433 MHz UHF 3 dBi Long Whip Omni Directional Antenna
This is longer range antenna for minimum read distances up to 20 ~ 50+ m (65 ~ 164’+).