T-Echo Plus LoRa or GPS Series Built-in Sub-GHz module based on

Built-in Sub-GHz module based on a CC1101 transceiver and a radio antenna (the maximum range is 50 meters)

T-Echo Plus LoRa or GPS Series Built-in Sub-GHz module based onKey Feature Upgrades BHI260AP IMU Improved motion sensing Vibration Motor Tactile feedback 2400mAh Battery Extended usage Buzzer Audible alerts Structural Improvements 1 4 inch Mount Interface Climbing Finger Loop Specification MCU NRF52840 FLASH 2MB RAM 2MB Bus Interfaces UART, SPI, TWI, PDM, 12S, QSPI Wireless Connectivity Bluetooth 5, Thread, Bluetooth Mesh, ANT, 802. 15. 4, Zigbee With Without BME280 temperature pressure sensor SX1262 LoRa