Adafruit Simple Spring Antenna - 433MHz

This simple spring antenna pairs seamlessly with 433MHz RFM and LoRa breakouts, bonnets, and Feathers. Made from copper-clad wire, it ensures effortless soldering. At a compact length of 38mm (1.5 inches), it offers 2.5dBi gain and a 50Ω impedance, ideal for any 400-450MHz wireless receiver/transmitter.

Enhance your wireless projects with reliable performance and compact design. Its robust construction ensures lasting connectivity, making it an essential component for reliable signal transmission. Whether you're building a custom communication device or enhancing existing systems, this antenna delivers consistent results.