GitHub - Seeed-Studio/RFBee: The RFBee is a RF module providing easy and flexible wireless data transmission between devices. It is based on a AVR Atmega168 working as a fully functional Arduino connected
Grove - 433MHz Simple RF link kit - Grove for Arduino - Seeed Studio
RFbee V1.1 - Wireless Arduino compatible node | Seeed Studio Wiki
RFbee V1.1 - Wireless arduino compatible node 868MHz — SK Pang Electronics Ltd