More info on the website of Parallax.

433 MHz RF Transceiver #27982

€ 31,96 (€ 38,03 incl.VAT)

Bluetooth
The Easy Bluetooth Serial Module is an effective and low-cost solution to free your hardware applications from wires. The module is small in size, and with it's SIP header design, it can fit on any 0.1" spacing breadboards for rapid prototyping. Monitoring and control applications will benefit from an integrated implementation of the serial port profile for seamless connectivity with desktop computers, PDAs, and cellular phones.

More info on the website of Parallax.

Easy Bluetooth Module #30085

€ 55,96 (€ 66,59 incl.VAT)

€ 17,10 (€ 20,35 incl.VAT)

€ 25,00 (€ 29,75 incl.VAT)

For Arduino the XBee Shield is available.

€ 23,80 (€ 28,32 incl.VAT)

2.4 GHz module
The 2.4GHz transceiver module developed by Olimex based on the nRF24L01 IC from Nordic Semiconductor has an intergrated antenna on the PCB. The module has a SPI interface, 125 RF channels and up to 2 Mbit data rate. In open air MOD-NRF24LR communicate about 62 meters. The module can be plugged on an UEXT connector of Olimex ARM boards.

More information on the website of Olimex.

MOD-NRF24LR 

€ 18,95 (€ 22,55 incl.VAT)