Fangrui Product Details Sensitivity Up To -139 Dbm Maximum Output Power: 20dbm Application:remote Control;remote Meter Reading;home Security Alarm And Remote Keyless Entry ;industrial Control; Home Automation Remote Sensing;individual Data Records; Toys Control;sensor Network; Tire Pressure Monitoring;health Monitoring;wireless Pc Peripherals;tag Reading And Writi; 10.3ma @ Receiver Mode Sleep Current Less Than 200na Data Transfer Rate: @ ,1.2-300kbps @ Lora Tm,0.018-37.5kbps,lora Tm ,,gfsk And Ook Modulation Mode 1.8-3.7 V Power Supply 127 Db Dynamic Range Rssi Packet Engine Up To 256 Bytes With Operating Temperature Range:-40 - + 85 C Built-in Temperature Sensor And Low Battery Indicator Excellent Blocking Immunity Colour:blue Material:pc Frequency Range: 433mhz Package Contents: 4 * Lora1278-c1 Wireless Rf Transceiver(the Circuit Board Printing Is Slightly Different, Which Does Not Affect The Use) Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause The