Feature:1. SX1262 LoRa Transceiver: Sends and receives ultra long distance and low power consumption data, supporting only 915Mhz.2. 1.54 In Ultra Low Power Ink Screen: local refresh 03S, global refresh 2S. Resolution :200200 Visual Angle :>170 Save display without electricity.3. Compatible: QUECTEL L76K GPS module concurrent GNSS receiving module, support 1PPS, AGNSS functions, It supports beidou, GPS, GLONASS, QZSS and other multisatellite systems.4. Built in LNA: Can achieve high sensitivity, high accuracy positioning, signal tracking.5. Anti Interference: The built in acoustic surface filter can greatly increase the anti interference ability of the module.Specification:Item Type: 915MHz TEchoMaterial: ABSMCU: NRF52840FLASH: 2MBRAM: 256kBCommunication Protocol: UART, SPI, TWI, PDM, 12S, QSPIWireless Protocol: Bluetooth 5, Bluetooth mesh, Thread, ANT, 802.15.4, ZigbeeBuilt in Lithium Battery Capacity: 850mAh (included).Package List:1 x915MHz TEcho 1 x Charging Line1 x AntennaNote: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.