Bluetooth Modem - BlueSMiRF Silver<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Extremely small radio - 0.15x0.6x1.9"</li><li>Very robust link both in integrity and transmission distance (18m)</li><li>Encrypted connection</li><li>Frequency: 2.4~2.524 GHz</li><li>Operating Voltage: 3.3V-6V</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41SU-xj0SRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41xL8oQug9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51iBRWjgwzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41YlkbQTNaL.jpg" noproxy>