The ATGM336H Dual-Mode GNSS Module is a high-performance satellite navigation receiver supporting GPS and BeiDou (BDS) systems. Designed as a reliable and cost-effective alternative to the u-blox NEO-M8N, it delivers fast positioning, high sensitivity, and stable performance even in challenging environments such as urban areas or weak signal conditions.
This module is ideal for navigation systems, tracking devices, drones, robotics, IoT projects, and embedded applications. With low power consumption, compact size, and standard UART communication, the ATGM336H integrates easily with Arduino, ESP32, STM32, Raspberry Pi, and other microcontrollers.
⭐ Key Features
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Dual-mode GNSS support: GPS + BeiDou (BDS)
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High sensitivity receiver for reliable positioning
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Fast Time-To-First-Fix (TTFF)
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Compatible with NEO-M8N pinout and functionality
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Supports standard NMEA output protocol
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Low power consumption, suitable for battery-powered devices
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Compact and lightweight design
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Stable performance in urban and low-signal environments
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UART interface for easy integration
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Ideal for tracking, navigation, and positioning applications
⚙️ Specifications
| Specification | Details |
|---|---|
| GNSS Systems | GPS, BeiDou (BDS) |
| Positioning Accuracy | Up to 2.5 m CEP |
| Tracking Sensitivity | Approx. -165 dBm |
| Cold Start TTFF | ≤ 32 seconds |
| Hot Start TTFF | ≤ 1 second |
| Operating Voltage | 3.0 – 5.0 V (typical 3.3V) |
| Communication Interface | UART (TX / RX) |
| Baud Rate | Default 9600 bps |
| Output Protocol | NMEA 0183 |
| Operating Temperature | -40°C to +85°C |
| Antenna Type | External active antenna support |
| Dimensions | Compact PCB design |
| Compatibility |
Arduino, ESP32, STM32, Raspberry Pi |
Applications
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GPS tracking systems
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Vehicle navigation
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Drones and UAVs
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Robotics projects
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IoT location-based devices
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Fleet management
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Embedded positioning systems
