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SKM53 Series with embedded GPS antenna
I based on MediaTek 3329 single-chip architecture
SKM53 can be applied in a portable device and receiver like PND, GPS mouse, car holder, personal locator, speed camera detector and vehicle locator.
Features Ultra high sensitivity: -165dBm22 tracking/66 acquisition-channel receiverWAAS/EGNOS/MSAS/GAGAN supportNMEA protocols (default speed: 9600bps)Internal back-up battery and 1PPS outputOne serial port and USB port (option)Embedded patch antenna 12 x 12 x 4.0 mmOperating temperature range: -40 to 85RoHS compliant (Lead-free)Tiny form factor 20.5mm x12.8mm x 7.8mmPerformance SpecificationParameter | Specification | |
Receiver Type | L1 frequency band, C/A code 22 Tracking / 66 Acquisition-Channel | |
Sensitivity | Tracking Acquisition | -165dBm -148dBm |
Accuracy | Position Velocity Timing (PPS) | 3m 3D RMS without SA 0.1m/s without SA 60ns RMS |
Acquisition Time | Cold Start Warm Start Hot Start Re-Acquisition | 36s 33s 1s <1s |
Power Consumption | Tracking Acquisition Sleep/Standby | <30mA @ 3V Vcc 40mA TBD |
Navigation Data Update Rate | 1Hz | |
Operational Limits | Altitude Velocity Acceleration | Max 18,000m Max 515m/s Less than 4g |
| Antenna Specifications | OutlineDimension Center Frequency Bandwidth Impedance Axial Ratio Polarization | 18.2 x 18.2 x 4.0 mm 1575 ± 3 MHz 10 MHz min 50 Ω 3 dB max RHCP |
| Mechanical requirements | Dimension Weight | 30mm x20mm x 11.4mm 9g |
| Power consumption | VCC Current | 5V ±5% 55mA(typical) |
| Environment | Operating temperature Storage temperature Humidity | 40 ~ +85 (w/o backup battery) 0 ~ +125 95% |
Skylab gps module SKM58 with embedded GPS antenna Small dimension