This spring coil antenna is designed for the 433MHz devices. Each antenna is constructed of phosphor copper.
- Frequency Range(MHz)：433MHz +/-5MHz
- Input Impedance( OHM)：50
- Spring outer diameter: Wire diameter is 0.6mm, and the outer diameter of the spring circle is 5.0mm
- Total length: 29mm
- Connector：Soldered directly to board