User manual for the ATGM332D-5N multi‑constellation GNSS module with specifications, interfaces and usage instructions.
The ATGM332D-5N is a 12 × 16 mm high‑performance GNSS module supporting BDS, GPS, GLONASS, GALILEO, QZSS and SBAS. It is based on the AT6558 low‑power SOC and offers high sensitivity, low power consumption and optional active or passive antenna connections.
The manual provides detailed functional descriptions, hardware dimensions, pin assignments, electrical parameters, upgrade procedures, and recommended handling and soldering practices for developers integrating the module into automotive, handheld or wearable applications. This manual is written in Chinese.
| Cold start capture sensitivity | -148 dBm |
|---|---|
| Tracking sensitivity | -162 dBm |
| Positioning accuracy | 2.5 m (CEP50) |
| First fix time | 32 s |
| Continuous current consumption | <25 mA @3.3 V |
| Supply voltage (typical) | 3.3 V |
The cold start capture sensitivity is –148 dBm.
The module operates from 2.7 V to 3.6 V, with a typical supply of 3.3 V.
Yes, the ATGM332D-5N supports both active and passive antenna configurations.