YM-251Q is a GNSS module that can quickly and accurately locate in weak signals places, such as cities, canyons, viaducts, and inside vehicles.
Antenna Integrated GNSS Module YM-251Q
YM-251Q is a GNSS module that can quickly and accurately locate in weak signals places, such as cities, canyons, viaducts, and inside vehicles.
- Overview
- Key Features
- Parameters
- Related Products
Overview
Key Features
1. Widely used in UAV, unmanned vehicle, FPV drone, vehicle monitoring, bus station announcement, vehicle navigation, ship navigation, notebook navigation, driving recorder and other products that need to be positioned.
2. Low noise, high gain.
3. Low power consumption, good stability.
4. Built-in compass.
Parameters
| Product Parameters | |
| Receiver type | GPS L1 C/A,QZSS L1 C/A/S,BeiDou B1I/B1C,Galileo E1B/C,SBAS L1 C/A: WAAS,EGNOS,MSAS,GAGAN |
| Sensitivity | Tracking & Nav. −166 dBm Reacquisition −160 dBm Cold start −148 dBm Hot start −160 dBm |
| Acquisition | Cold start 26 s Hot start 1 s |
| Horizontal position accuracy | 1.5 m CEP |
| Velocity accuracy | 0.05 m/s |
| Accuracy of time pulse signal | RMS 30 ns 99% 60 ns |
| Operational limits | Dynamics ≤ 4 g Altitude 80000 m Velocity ＜500 m/s |
| Frequency of time pulse signal | 1Hz |
| Baud rate | 4800bps-460800bps, default 38400bps |
| Update frequency | Up to 10 Hz, default 1 Hz |
| Output level | TTL level |
| Output protocol | MEA-0183, UBX |
| Physical Characteristics | |
| Size | 25mm*25mm*7.8mm (±0.3mm) |
| Working voltage | 3.6-5.5V, typical 5V |
| Working current | 40mA/5.0V |
| Weight | 11g |
| Connector | 1.0mm 6Pin |
| Working Environment | |
| Operating temperature（℃） | -40-+70 |
| Storage temperature（℃） | -55-+85 |
| Pilot Lamp | |
| The blue light stays on when powered on, and flashes after 3D positioning. | |
Applications
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