# Simple Spring Antenna - 433MHz

**Type:** Product page · **SKU:** ADA4394 · **Brand:** [Adafruit](https://core-electronics.com.au/brands/adafruit-australia)
**Page:** https://core-electronics.com.au/simple-spring-antenna-433mhz.html ([markdown](https://core-electronics.com.au/simple-spring-antenna-433mhz.html.md))

This simple spring antenna matches great with any of our 433MHz RFM and LoRa breakouts, bonnets and Feathers. They're made of copper-clad wire so you can solder...

## Pricing

- **Price:** $2.05 (inc GST) — $1.86 AUD, exc GST
- **Quantity discounts:** 10+ $1.81 (exc GST) · 50+ $1.77 (exc GST)

## Availability & dispatch

- In stock, ships same business day if ordered before 2PM (Australia/Sydney).
- We can dispatch 2 today, and up to 500 more in 8–12 days.

## Description

This simple spring antenna matches great with any of our 433MHz RFM and LoRa breakouts, bonnets and Feathers. They're made of copper-clad wire so you can solder them easily.

They are compact, only ~38mm / 1.5" long, and have 2.5dBi of gain and 50O impedance, so it will work fantastically with just about any 400~450MHz wireless receiver/transmitter.

## Technical Details

- Dimensions: 38.5mm x 5.5mm x 4mm

- [Datasheet](https://core-electronics.com.au/attachments/localcontent/4394_C13573datasheet_86981bdaf5e.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/a/d/ada4394-1.jpg)