Tiantong Satellite Hotspot Terminal is a lightweight Tiantong-1 satellite Bluetooth hotspot. Powered by domestic self-developed chips and enhanced antennas, it enables full satellite communication for regular phones in off-grid wild areas. It integrates domestic baseband-RF chips and self-designed left-hand polarized antennas for faster satellite lock and better weak signal reception. 50% smaller than peers with a lanyard, it meets IP68 rating and runs steadily from -20℃ to +60℃. The 2200mAh battery delivers 6h continuous satellite calls.