1PCS NRF905 wireless module (PTR8000+) wireless transmission 433/486/915MHz Product Name : Wireless Module w Antenna;Model : NRF905;Working Voltage : 2.7-3.3V Working Frequency : 433/868/915MHz;Modulation Mode : FSK / GMSK;Maximum Operating Rate : 76.8Kbit / s Maximum Output Power : +10dBm;Sensitivity : -100dBm;Channel Number : 170 Pins Number : 14;Total Size : 43 x 18 x 11mm/ 1.7" x 0.71" x 0.43" (L*W*T);Material : PCB, Plastic, Iron Color : Green;Package Content : 1 x Wireless Module w Antenna