The Pycom antenna is suitable for use in the 868MHz/915MHz LoRa bands. This external antenna is required for the LoPy and SiPy development boards and using without an antenna can damage the device. The kit includes: - RF Cable Assemblies RP-SMA (Female) JK-IPEX MHF U. FL 1.13 100MM - RP-SMA (Male) Tilt Swivel 1/2 Wave Whip antenna Note : An external antenna is required for the LoPy and SiPy development boards and using without an antenna can damage the device.