5PCS Signal Antenna Dual Frequency Omnidirectional Waterproof Antenna SMA Male 3DBi Gain

1,SPECIFICATIONS: Including 5pcs signal antenna, with 2400‑2500mhz and 423‑443mhz dual frequency range, easy to use and replace. 2,DURABLE MATERIAL: These antennas are made of excellent materials, non toxic and harmless, waterproof and sunscreen, and have a long service life. 3,HIGH GAIN: Adopt vertical polarization method and have 3DBI high signal gain, the larger the range, the longer the transmission distance. 4,GOOD PERFORMANCE: The antenna adopts SMA male interface, independent channel transmission is faster, and reduce co channel interference. 5,MULTIPLE USAGES: Widely used in wireless meter reading systems, drones, security alarms, power monitoring and smart household, etc.