This T3 spring coil antenna matches great with any of our 868MHz RF Modules. It is a compact 868Mhz Spring antenna, with 17mm length, 3dBi high gain and 50Ω impedance.

868MHz Spring Coil Antenna with Compact Size and High Performance

915MHz Spring Antenna with High Gain (3 dBi)

868MHz Spring Coil Antenna with High Gain (2.5 dBi)

433MHz Spring Antenna with 3dBi high gain for 433Mhz RF Modules use. It is made of Phosphor Bronze, simple structure, 50Ω impedance, and can be easily soldered.

FPC Antenna with High Gain (3 dBi)