A evolved version of T-BEAM, T-Echo is designed with a focus on for Meshtastic compatibility, featuring Bluetooth and low power consumption. It utilizes the NRF52840 SoC, supporting Bluetooth 5 / Threads / Zigbee multi-protocol. T-SX1262 wireless transceiver module, using Semtech SX1262 LORA RF transceiver chip design, working in the 868MHz ISM frequenc band, integrated high stability TCXO 32MHz crystal oscillator, half-duplex transceiver module, power up to +22dBm, receiving sensitivity -139dBm. The module enables automatic transceiver switching, internal transmission and reception channel isolation, and employs advanced LORA spread spectrum communication technology for robust anti-interference and privacy. This facilitates long-distance wireless data transmission and reception. Colour:White Material:ABS Package Contents: 1 x T-ECHO host 1 x TYPE-C USB Cable 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.