["RAK Wireless Helium Magnetic Antenna Base- RP-SMA This antenna magnetic base is a simple solution for attaching your antenna to flat metal surfaces. It comes with an N female to RP-SMA male connector on a 2 meter antenna cable. Note: This antenna magnet base is not suitable for outdoor installation. This is because it is not waterproof and high humidity would eventually damage it and result in a non-functional installation. RAK Wireless recommends using it indoors only and not in humid environments", "Frequency: 0~6GHz", "V.S.W.R.: ≤ 2.0", "Maximum input power: ≥ 2Watt", "Impedance: 50 ohms", "Cable type: LMR200", "Connector A: N-type socket", "Connector B: RP-SMA connector", "Operating temperature: -40°C ~ +65°C", "Storage temperature: -40°C ~ +80°C", "Cable length: 2 meters", "1pc magnetic base with 2m antenna cable"]