The Seeed Studio 433MHz SIMPLE RF LINK KIT is a low cost, low power, easy to use wireless communication solution. The kit includes two PCBs, two transceivers, and two antennae that easily connect to your system board to establish a fast, reliable and cost effective wireless link. The kit works in the 433MHz frequency band and is quick and easy to set up, making it ideal for use in remote control systems and applications that require quick response times and minimal power consumption. The kit supports a transmission range of up to 25m with a standard SMA antenna and up to 100m with an optional high gain antenna. The kit works with Arduino, Raspberry Pi, Particle and other microcontrollers, making it a great solution for fast prototyping.