Antenna, 5Pcs Antenna, Mini Home Internet Antennas 2.4G Waterproof Omnidirectional SMA Male Head Accessory Set Kit WiFi Antennas, Loop Antennas

How to Use: It can be used after connecting with the device.  Specification: Item Type: Antenna Model: JB-2.4G-009 Material: ABS Function: For signal transmission and gain.  Working Frequency: 2400-2500mhz Antenna Gain: 3dbi Standing Wave Ratio: ?1.5 Impedance: 50? Polarization Method: Vertical Polarization Maximum Power: 50W Antenna Interface: SMA Male Head Application: For wireless meter reading system, wireless data transmission module, drone, security alarm, power monitoring, smart home, etc.  Package List: 5 x Antenna