Multi-protocol support: Featuring NRF52840 and SX1262, it supports LoRa (global ISM bands in the 1-15 km range). After purchasing the LT1, you can freely choose your region in the Meshtastic app. It also supports Bluetooth Connectivity APP, LoRa Communication, GNSS Positioning Module, ensuring compatibility with a wide range of devices and networks. Meshtastic is an off-grid messaging system using inexpensive hardware to create your personal mesh. Radios forward messages to the next node to distribute them over the network. Communicate 1-15 kilometers between nodes. Internet-connected relay nodes enable the conversation to move online too. Equipped with 3000mAh battery and low power consumption control programme, it can work continuously for 50 hours to meet the needs of all-weather outdoor operation without frequent charging; Suitable for pet tracking, outdoor hiking, mountaineering enthusiasts, and emergency rescue. Integrated GAT562 Mesh Module Integrated Shift E108-GN03D GNSS Module Integrated Power Toggle Switch/User Button Built-in Bluetooth antenna and GNSS antenna Built-in 3000mAh rechargeable Li-ion battery Color: As Shown Material: plastic Package Contents: 1 * Tracker 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.