Descriptions: 100% brand new and high quality. Features: This product is based on LoRa radio frequency, 868MHz (common in North America), 915MHz (common in Europe) and 433MHz Digital RSSI function Automatic frequency correction,and automatic gain control RF wake-up function Low voltage detection and temperature sensor Fast wake-up and frequency hopping Highly configurable packet handler(common in Asia Pacific) Specifications: Working voltage: 1.8-3.7v Acceptable current: 10-14mA Antenna Frequency:868MHz / 915MHz/433MHz (Optional) Transmitting current: 120mA @ + 20dBm; 90mA@+17dBm; 29mA@+13dBm Working frequency: 868MHz / 915MHz/433MHz Transmitting power: + 20dBm Receiving sensitivity: -139dBm @ LoRa62.5KhzSF = 12146bps -136dBm@LoRa125Khz&SF=12&293bps -118dBm@LoRa125KhzSF = 69380bps -123dBm@FSK&5Khz&1.2Kbps Frequency error: +/- 15KHz FIFO space: 64Byte Data rate:1.2K-300Kbps@FSK 0.018K~37.5Kbps@LoRa Modulation mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOK Interface form: SPI Sleep current:0.2uA@SLEEP 1.5uA@IDLE Working temperature: -40-+ 85 SMA antenna IP5306 Note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment. Packaeg Includes: 1 PC x WIFI Wireless Module