Shenzhen Shanhai Technology Ltd.
Shenzhen Shanhai Technology Ltd. Professional GSM GPRS modem and module GPS module manufacture. We supply high quality products, competitive price, and 5 star customer service
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1.Applications
LBS (Location Based Service)
PND (Portable Navigation Device)
Vehicle navigation system
Mobile phone
2.General Description
The SkyNav SKM53 Series with embedded GPS antenna enables high performance navigation in the most stringent applications and solid fix even in harsh GPS visibility environments.
It is based on the high performance features of the MediaTek 3327 single-chip architecture, Its –165dBm tracking sensitivity extends positioning coverage into place like urban canyons and dense foliage environment where the GPS was not possible before. The 6-pin and USB connector design is the easiest and convenient solution to be embedded in a portable device and receiver like PND, GPS mouse, car holder, personal locator, speed camera detector and vehicle locator.
3.Features
Ultra high sensitivity: -165dBm
22 tracking/66 acquisition-channel receiver
WAAS/EGNOS/MSAS/GAGAN support
NMEA protocols (default speed: 9600bps)
Internal back-up battery and 1PPS output
One serial port and USB port (option)
Embedded patch antenna :18.2 x 18.2 x 4.0 mm
Operating temperature range:-40 to 85
RoHS compliant (Lead-free)
Tiny form factor :30mm x20mm x 11.4mm
4.Performance Specification
Receiver Type
-L1 frequency band, C/A code
-22 Tracking / 66 Acquisition-Channel
Sensitivity
-Tracking -165dBm
-Acquisition -148dBm
Accuracy
-Position 3m 3D RMS without SA
-Velocity 0.1m/s without SA
-Timing (PPS) 60ns RMS
Acquisition Time
-Cold Start 36s
-Warm Start 33s
-Hot Start 1s
-Re-Acquisition <1s
Power Consumption
-Tracking <30mA #3V Vcc
-Acquisition 40mA
-Sleep/Standby TBD
Navigation Data Update Rate
-1Hz
Operational Limits
-Altitude Max 18, 000m
-Velocity Max 515m/s
-Acceleration Less than 4g
Antenna Specifications
-OutlineDimension 18.2x18.2x4.0mm
-Center Frequency 1575 ± 3 MHz
-Bandwidth 10 MHz mins
-Impedance 50Ω
-Axial Ratio 3 dB max
-Polarization RHCP
Mechanical requirements
-Dimension 30mm x20mm x 11.4mm
-Weight 9g
Power consumption
-VCC 5V ±5%
-Current 55mA(typical)
Environment
-Operating temperature 40 ~ +85 C (w/o backup battery)
-Storage temperature 0 ~ +125 C
-Humidity 95%
5.Applications
·LBS (Location Based Service)
·PND (Portable Navigation Device)
·Vehicle navigation system
·Mobile phone