Overview

LT904 is a real-time GPS tracker that works without cell service. By built-in GPS and long-range radio technology, it allows you to stay in touch with people even if your phone fails. It's an all-around tracking solution for all kinds of outdoor activities.

LT904 working frequency is between 850 to 930MHz with 30dBm maximum power capability.

Key Features :

• Real-time GPS
• ESP32 main processor.
• OTA support.
• Bluetooth connect phone without cell service need.
• fuel gauge LED indicator.
• Receiver sensitivity: -148dBm
• Communication distance: 8000 meters
• Maximum output power: 30dBm
• Frequency band: 850~930MHz

Technical Support

Download datasheet

Github support site

Forum