Brand N/A Model NRF905 Quantity 1 Color Green Material PCB + plastic + iron Features Wireless module Specification Electrical characteristics: nRF905; Working frequency: 433/868/915MHz; Number of channels: 170; Function: Transmit / Receive; Frequency stabilization mode: PLL; Modulation: FSK / GMSK; Maximum output power: +10dBm; Sensitivity: -100dBm; Maximum operating rate: 76.8Kbit / s; Working voltage: 2.7~3 .3V Application Various of electronic products or DIY project English Manual/Spec Yes Other Special reminder this module can be networking use fully compatible with PTR8000+ module; One tri-band transceiver operating frequency for the international generic ISM band 433/868/915MHz GMSK modulation strong anti-interference ability especially for industrial control applications using DSS + PLL frequency synthesizer technology excellent frequency stability high sensitivity reach up to -100dBm; low working voltage (2.7V) low power consumption standby only 1uA to meet the low-power devices requirements of maximum transmit power of +10dBm; With multiple channels (up to 170 or more) specially meet the needs of multi-channel working for special occasions working rate up to 76.8Kbps; Minimum of external components (only 10) basically no need debugging; Because of the low transmission power and high receiver sensitivity design no need to apply a permit for using the using range in the open ground is up to 1000 meters Packing List 1 x NRF905 wireless module 1 x Antenna http://m5.img.dxcdn.com/CDDriver/CD/sku.222915.rar