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The SkyLab SKM55U Series with embedded GNSS antenna enables high performance navigation inthe most stringent applications and solid fix even in harsh GNSS visibility environments.
Read More| Ultra high sensitivity | -165dBm |
| Tiny form factor | 46 * 45 * 15mm |
| Operating temperature range | -40 to 85℃ |
The SkyLab SKM55U Series with embedded GNSS antenna enables high performance navigation inthe most stringent applications and solid fix even in harsh GNSS visibility environments.
It is based on the high performance single-chip architecture, Its –165dBm tracking sensitivity extendspositioning coverage into place like urban canyons and dense foliage environment where the Gmouse wasnot possible before. The UART connector design is the easiest and convenient solution to communicationwith other electronic equipment.
Features
◆ Ultra high sensitivity: -165dBm
◆ GPS or GPS/GLONASS or GPS/BDS/GLONASS receiver
◆ WAAS/EGNOS/MSAS/GAGAN support
◆ NMEA protocols (default speed: 9600bps)
◆ Internal back-up battery
◆ One serial port UART to USB
◆ Embedded patch antenna 25 x 25 x 4.0 mm
◆ Operating temperature range: -40 to 85℃
◆ RoHS compliance (Lead-free)
◆ FCC,CE compliance
◆ Tiny form factor ：46 * 45 * 15mm
| Parameter | Specification | |
| GNSS receiver | ||
| Receiver Type | GPS/QZSS L1C/A | |
| GLONASS L1 | ||
| BDS L1 | ||
| SBAS: WAAS, EGNOS, MSAS | ||
| Sensitivity | Tracking | -161dB |
| Acquisition | -148dBm | |
| Accuracy | Position | 2.5m CEP50 without SA(Typical Open Sky) |
| Velocity | 0.1m/s without SA | |
| Timing (PPS) | 30ns RMS | |
| Acquisition Time | Cold Start | 29s |
| Warm Start | 28s | |
| Hot Start | 1s | |
| Re-Acquisition | 5s | |
| Power Consumption | Tracking | <70mA @3.3V Typical |
| Acquisition | <68mA @3.3V | |
| Sleep/Standby | TBD | |
| Navigation Data Update Rate | Max 10Hz | Default 1Hz |
| Operational Limits | Altitude | Max 50,000m |
| Velocity | Max 500m/s | |
| Acceleration | Less than 4g | |
| Antenna Specifications | ||
| Outline Dimension | 25 x 25 x 4.0 mm | |
| Impedance | 50 Ω | |
| Axial Ratio | 3 dB max | |
| Polarization | RHCP | |
| Mechanical requirements | ||
| Dimension | 46*45*15mm | |
| Weight | 90g | |
| Power Supply | ||
| VCC | 3.5~5.5V | |
◆ Vehicle navigation
◆ Intelligent transportation of buses
◆ Remote vehicle monitoring
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