Features:ERP32 with new version of REV1, support wireless Internet access and wireless Bluetooth connection.Highly configurable data packet handler that saves configuration parameter data EEPROM Down.With global positioning system, GPS module NEO-6M, 3V-5V power supply universal.Designated module with ceramic antenna, super-strong signal, support for automatic gain control and automatic frequency correction.It also features digital RSSI function, RF wake-up function, 4MB flash memory, low voltage detection and temperature sensor, fast wake-up and frequency hopping, LED signal indicator, battery with data backup.Specification:Material: PCBLatest ESP32 version: REV1Working Voltage: 1.8-3.7VAcceptable Current: 10-14mAEmission Current:120mA + 20dBm90 mA + 17dBm29 mA + 13dBmWorking Frequency: 433MHzTransmit Power: +20dBmReceive Sensitivity:-139dBm LoRa and 62.5Khz&SF = 12&146bps-136dBm LoRa and 125Khz&SF = 12&293bps-118dBm LoRa&125Khz&SF = 6&9380bps-123dBm FSK&5Khz&1.2KbpsFrequency Error: 15KHzFIFO Space: 64ByteData Rate:1.2K-300Kbps/FSK0.018K-37.5Kbps/LoRaModulation Mode: FSK, GFSK, MSK, GMSK, LoRa TM, OOKInterface Form: SPISleep Current:0.2uA/SLEEP1.5uA/IDLEWorking Temperature: -40-+85Battery Model: 1x18650(Not include)Lithium Battery Model: MS412FE (Included)Lithium Battery Capacity: 1mahDefault Baud Rate: 9600USBCP2104-GMRFor SoftRF V4.0Package List:1 x WiFi Module1 x Antenna2 x Pin.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.