easyRF's ERF1000 for 2.4GHz and for 433MHZ and 868MHZ
This transceiver makes it possible to connect sensors, nodes and other issues. Unique to easyRF is the total solution, hardware, software and back-end solution in one.
The hardware is a 16mm x 15mm x 4.2mm module with lots of memory 32KB SRAM.
The Contiki platform for IPv6 communication between the sensors and gate-way, many features are MESH, integrated ultra low power transceiver for 2.4GHz ISM band, 250kbps data rate, antenna diversity and TX / RX control, USB port, supply voltage 1.8 ~ 3.6V etc.