> **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

# 2KM Long Range RF link kits w encoder and decoder (Seeed Studio)

**Type:** Product page · **SKU:** SS113990018 · **Brand:** [Seeed Studio](https://core-electronics.com.au/brands/seeed-studio-australia)
**Page:** https://core-electronics.com.au/2km-long-range-rf-link-kits-w-encoder-and-decoder-seeed-studio.html ([markdown](https://core-electronics.com.au/2km-long-range-rf-link-kits-w-encoder-and-decoder-seeed-studio.html.md))

## Retired product

This product is retired and no longer available for purchase. Replaced by: WS-23596.

**Replacement:** https://core-electronics.com.au/catalog/product/view/sku/WS-23596

## Restrictions

**For use in Australia**

- Operate only in bands and with settings that are permitted for your location and application. Check this product’s supported frequencies in the description/specs.
- If you intend to operate outside shared/licence‑exempt conditions (e.g. in other bands, at higher power, with high‑gain antennas, or extended duty cycles), you must have the appropriate authorisation.
 
**For use in other regions**

- Follow the spectrum rules for your country/region and select frequencies and settings accordingly.

A declaration of use will need to be submitted during checkout.

## How to buy

- **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

This is a super long range 433mhz RF link kit Comes with VCO , PLL technology, steady Frequency and super anti-jamming ability. You can directly use it with your project like wireless data transport and remote control etc.

![2kmrf.jpg](https://core-electronics.com.au/attachments/localcontent/1474341967104217_558154d5dfa.jpg)

## Specification

- Working voltage: Receiver(3-5V), Transmitter(3-9V)
- Working current: 2.5mA(5.0VDC)
- Principle of work: Superhet (VCO, PLL)
- Modulation: OOK/ASK
- Working band: 433.92MHz (customize service available)
- Bandwidth: 1.5MHz
- Sensitivity: -105dBm (50Ω)
- Rate: < 5Kbps
- Decoding form: PT2272
- Antenna length: 18cm
- Emission Distance: 2 KM
- Dimensions: Encoder: 14.75W x 32.50L, Decoder: 16.20W x 36.10L
 
## Example

![433rf5.png](https://core-electronics.com.au/attachments/localcontent/1474342001716666_428556a770f.png)

![](https://core-electronics.com.au/attachments/localcontent/433rf6_2555244896e.jpg)

## Documents

Please visit our [wiki page](https://wiki.seeedstudio.com/2KM_Long_Range_RF_link_kits_w_encoder_and_decoder/) for more info about this product. It will be appreciated if you can help us improve the documents, add more demo code or tutorials. For technical support, please post your questions to our [forum](https://forum.core-electronics.com.au/).

[Datasheet](https://core-electronics.com.au/attachments/uploads/SS113990018.pdf) for PT2272 and PT2262

## Images

- [Product image 1](https://core-electronics.com.au/media/catalog/product/2/k/2kmrf.jpg)