The GRE-303 G-MOUSE antenna datasheet provides specifications, interface definitions, and application information for GPS/BeiDou positioning modules.
The GRE-303 G-MOUSE antenna is a compact, high‑sensitivity GPS/BeiDou antenna with an integrated low‑power chip and built‑in LNA. It is designed for automotive navigation, security systems, surveying, and other positioning applications, offering fast cold‑start and hot‑start performance.
The document details the module’s technical specifications, pin‑out definitions for RS232, 4‑pin, 24‑pin, and 2.5 mm audio interfaces, supported NMEA0183 sentences, and example applications. It also includes command tables for configuring baud rate, update rate, and system settings, as well as latitude/longitude conversion examples and trajectory test comparisons. This manual is written in Chinese.
| Frequency Range | 1.5611‑1.57542 GHz |
|---|---|
| Tracking Sensitivity | -162 dBm |
| Cold‑Start Time | Average 35 seconds |
| Hot‑Start Time | Average 1 second |
| Power Supply Voltage | 3.3 V ~ 5.5 V |
| Operating Current | 30 mA |
| Operating Temperature | -40 °C ~ +100 °C |
| Physical Size | 28.0 mm × 28.0 mm × 8.6 mm |
It outputs GGA, GSA, GSV, RMC, VTG, and GLL sentences.
The module supports an update rate of 1‑10 Hz, with a default of 1 Hz.
The module measures 28.0 mm × 28.0 mm × 8.6 mm.