Overview
RJX K827 / K827W is a multi-frequency GNSS receiver board designed for reliable RTK positioning performance, featuring two independent RTK engine on one board. It is built to deliver centimeter-level positioning accuracy in harsh environments for integration into surveying and autonomous systems.
Key Features
- 1930 channels GNSS tracking
- Multi-constellation, multi-band tracking: GPS, BeiDou, GLONASS, Galileo, QZSS, SBAS
- RTK and post-processing positioning performance (RTCM correction support)
- Multiple data outputs: NMEA-0183, ComNav Binary, BINEX
- Interfaces and timing: LVTTL ports, SPI, event markers input, PPS output, status indicator pins
Specifications
| Channels | 1930 |
| Satellites tracking | GPS: L1C/A, L1C, L2P, L2C, L5 BeiDou: B1I, B2I, B3I, B1C, B2a, B2b GLONASS: G1, G2, G3* Galileo: E1, E5b, E5a, E5 AltBoC*, E6c QZSS: L1, L2, L5, L6 SBAS: WAAS, EGNOS, MSAS, GAGAN, SDCM |
| Post Processing | Horizontal: 2.5 mm + 1 ppm Vertical: 5 mm + 1 ppm |
| Single Baseline RTK | Horizontal: 8 mm + 1 ppm Vertical: 15 mm + 1 ppm |
| Initialization time | < 5 s |
| Size (L x W x H) | 46mm x 71mm x 10mm |
| Weight | 15.0 g |
| Hardware interface | 2x14 pin |
| Power consumption | 1.8 W (Anti-interference off) |
| Input voltage | +3.3 V ± 5% DC |
| Operating temperature | -40 °C to +85 °C |
| Storage temperature | -55 °C to +95 °C |
| LNA Power | External: +3.3 V to +5 V ±5% VDC @ 0-100 mA |
| LNA Gain | 20 to 35 dB |
| Impedance Match | 50 Ω |
| LVTTL ports | 3 |
| SPI | 2 |
| Event Markers input | 2 |
| Pulse Per Second (PPS) output | 1 |
| Indicator pins show the working status | 3 |
| Correction data I/O | RTCM 2.X, 3.X, CMR, CMR+ |
| Position data output | NMEA-0183, ComNav Binary, BINEX |
Applications
- Land surveying
- Autonomous driving
- Precision agriculture
- Machine control
- Robotics
- UAV positioning and navigation integration
For integration questions or pre-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
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