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SKG128S dual system GNSS positioning module. It is based on SoC chip--UFirebird design. SKG128S supports BDS B1+GPS L1 dual system joint positioning.
Read More| Receiver | GPS、BDS、GLONASS |
| Time accuracy | ±20ns |
| Dimension | 16.0*12.2*2.4（mm） |
SKG128S dual system GNSS positioning module. It is based on SoC chip--UFirebird design. SKG128S supports BDS B1+GPS L1 dual system joint positioning. Or it supports single-system independent positioning and can receive OZSS signals. The module supports the AGNSS (Assisted Positioning) function, which improves the positioning speed through the auxiliary data service in the case of networking.
The SKG128S has a compact form factor and uses SMT pads. It supports standard pick-and-place and reflow soldering with a fully automated set. It is especially suitable for low-cost, low-power areas.
Product Features：
◆Support BDS, GPS, Glonass, QZSS system
◆± 20ns high-precision pulse (PPS)
◆Data update rate: 1Hz
◆Support UART1, UART2
◆Industrial-grade standards
◆Size: 16.0x12.2x2.4mm
◆Compliance with RoHS, FCC, CE standards
| Parameter | Describe | Performance |
| Voltage | 3.0~3.6V DC | |
| Power consumption | 50mW | |
| RF input | frequency | BDS B1:1561.098MHZ GPS L1:1575.42MHZ |
| stationary wave ratio | ≤1.5 | |
| input impedance | 50Ω | |
| Antenna gain | 15～30dB | |
| Size | 16.0x12.2x2.4mm | |
| Weight | 0.8g | |
| Data interface | 2 UART, TTL level, baud rate 4800 ~ 115200bps | |
| Antenna detection | It can support antenna feeding and requires external antenna detection circuit | |
| GNSS performance index | ||
| First positioning time | Cold start | 28s |
| Hot start | 1s | |
| Recapture | 1s | |
| Sensitivity | track | -160dBm CEP,50% |
| capture | -147dBm CEP,50% | |
| Precision | position |
Dual system level Open-Sky: 2.0M CEP, 50% Dual system vertical Open-Sky: 3.5M CEP, 50% |
| speed | 0.1m/s | |
| Dynamic performance | speed | 515m/s |
| Acceleration | 4g | |
| height | 18000m | |
| PPS | accuracy 20ns | |
| Data update rate | 1Hz | |
| Navigation data format | NMEA 0183， Unicore Protocol | |
◆Car navigation
◆Personal navigation equipment
◆Car preservation system
◆Vehicle monitoring
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