Feature:1. This is compatible with RAK V2, Bobcat 300, Nebra Indoor/Outdoor, SenseCAP M1, SyncroB. it's, Helium Hotspot, Kerlink, and LongAP, but requires RP-SMA to n-female coaxial cable.2. it is heavy duty heavy duty outdoor 7 inch high mini 5 dBi antenna gain for direct connection use to make a N connector. It has an n-male connector and is designed to be connected to a device or pigtail with an n-female connector, it is certified and designed for outdoor environment and is weather resistant.3. 5 dBi band antenna 915MHz gain for LoRa and long distance, low data transfer for industrial applications.4.LoRa/HaLow omnidirectional external antenna receives and transmits the signal of its wireless devices with a height of 915MHz 7 inchesSpecifications:Frequency range: 915MHzGain: 5 dBiVSWR:le; 2.0Radiation Pattern: OmniImpedance: 50 Omega; Connector: N Male Dimensions: ⌀ 22x180mm Temperature: -40°c to 85°c Humidity: 95% to 25°c Package List: 1 x AntennaNote: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Manual measurement, please allow 1-10mm error. Thank you for your understanding.