This is a LoRaWAN programmable data transmission unit (DTU) for 915MHz frequency. US915 frequency band (902-928 MHz). Long distance and low power consumption. Multi-mode support. Industrial interface. Scope of Application: Industrial Monitoring Environmental Monitoring Node Deployment Smart Agriculture Specifcations: LoRa Solution: STM32WLE5 @256 KB Flash, 64 KB RAM Supported Band: US915 (902-928 MHz) Protocol Support: LoRaWAN 1.0.3 (Class A, Class B, Class C) Receive Sensitivity: -137 dBm LoRaWAN Activation Modes: Over-The-Air Activation (OTAA), Activation By Personalization (ABP) Communication Modes: LoRaWAN and LoRa P2P (point-to-point) RS485: SP3485EN Interface: UART serial @default baud rate 115200, supports AT commands Color:Grey Material:plastic Package Contents: 1 * DTU LoRaWAN Base 1 * Antenna Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.