This is a super long-range 433mhz RF link kit. It comes with VCO, PLL technology, steady frequency and super anti-jamming ability. You can directly use it with your projects, like wireless data transport, remote control, etc.
|Working voltage||Receiver(3-5V), Transmitter(3-9V)|
|principle of operation||Superhet（VCO, PLL）|
|Working band||433.92MHz (customized service available)|
|Transmission range||2 km|
Hardware connection Manual, RX(D0/D1/D2/D3) output voltage depends on the input voltage (VDD).
Note: Do not put RX module and TX module too close: this would prevent them to work. Make sure that the RX module and TX module are at least 1 meter away from each other.
Click here to buy: 2KM Long Range RF link kits
Links to external webpages which provide more application ideas, documents/datasheet or software libraries:Copyright (c) 2008-2016 Seeed Development Limited (www.seeedstudio.com / www.seeed.cc)