> **Source:** Core Electronics is an Australian maker-electronics retailer and manufacturer based in Newcastle, NSW, run by a team of makers and educators. We design and manufacture our own product lines (PiicoDev, CE originals) and are official retailers for iconic maker and industrial brands including Raspberry Pi, Arduino, Adafruit, SparkFun and DFRobot. Orders ship Australia-wide from our Newcastle warehouse. Prices are in AUD and include GST. Pricing, stock and dispatch on this page are generated from the store's live catalog. Full machine-readable index: https://core-electronics.com.au/llms.txt

# ARGOS Omnidirectional Antenna - 401MHz

**Type:** Product page · **SKU:** WRL-17523 · **Brand:** [Sparkfun](https://core-electronics.com.au/brands/sparkfun-australia)
**Page:** https://core-electronics.com.au/argos-omnidirectional-antenna-401mhz.html ([markdown](https://core-electronics.com.au/argos-omnidirectional-antenna-401mhz.html.md))

Designed for transmit and receive at 401MHz, this quarter-wave antenna is the perfect partner for our ARGOS ARTIC R2 satellite communication breakout board. It is...

## Pricing

- **Price:** $31.10 (inc GST) — $28.27 AUD, exc GST
- **Quantity discounts:** 5+ $27.43 (exc GST) · 25+ $26.85 (exc GST) · 100+ $25.73 (exc GST)

## Availability & dispatch

- Available with a lead time — expect dispatch between Aug 17 and Aug 20.

## How to buy

- **Build a cart:** compose `https://core-electronics.com.au/cart/link?items=WRL-17523:1` (comma-separated SKU:qty pairs) and share the link. Opening it shows a confirmation page with live pricing and stock before anything is added to the cart.
- **Verify the cart first:** fetch `https://core-electronics.com.au/cart/link/WRL-17523:1.md` for live line prices (inc & exc GST, quantity discounts applied), stock and dispatch estimates, and totals. Append `/to/{AU-postcode}` (or `/to/{country-code}:{postcode}`) before `.md` for delivery options and prices to that destination. Unknown, retired, or out-of-stock SKUs are flagged. (Query form `cart/link.md?items=...` also works but some robots parsers refuse query strings here.)
- **Checkout** is completed on-site and includes a captcha at the payment step. Share the cart link; checkout takes it from there.
- **Search the catalogue:** `https://core-electronics.com.au/search/{query}.md` (URL-encode the query; pages 2-3 at `search/{query}/{page}.md`; `search.md?q=` also works)
- **Payment methods, purchase orders, policies and contact details:** https://core-electronics.com.au/llms.txt
## Description

Designed for transmit and receive at 401MHz, this quarter-wave antenna is the perfect partner for our ARGOS ARTIC R2 satellite communication breakout board. It is made from RG178 coaxial cable and has an effective length of 183mm. It is equipped with an MHF IPEX connector, which is compatible with u.FL. It is lightweight too, weighing in at only 0.4 grams, 0.014 oz.

**Features**

- Quarter wave wire antenna (omnidirectional)
- Frequency: 401MHz
- Effective length: 183mm
- Total length: 192mm
- Material: RG-178
- Weight: 0.4 grams, 0.014 oz
- Impedance: 50 Ohms
- Gain: 3dBi
- V.S.W.R.: <= 2.0
- Connector: MHF IPEX (compatible with u.FL)

**Documents**

[Datasheet](https://core-electronics.com.au/attachments/localcontent/wire_antenna_401MHz_OMNI_3dBi-RG178-IPEX__2__404383e0de6.pdf)

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/1/7/17523-antenna_-_401mhz_omni_3dbi_rg178_ipex-01.jpg)