There are two types of helical antennas:
- 868Mhz Helical Antenna (2dBi, 13mm, 50ohm)
- 915Mhz Helical Antenna (2dBi, 12.5mm, 50ohm)
They are great performance and a compact upgrade from the default free wire monopole included with all Moteinos with a radio module.
Can be used with any RFM69 or RFM95/96/LoRa based products including: