high sensitivi gps module:-165dBm
low power consumption
with embedded GPS antenna
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: -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 12 x 12 x 4.0 mm
-
Operating temperature range: -40 to 85
-
RoHS compliant (Lead-free)
-
Tiny form factor 20.5mm x12.8mm x 7.8mm
Performance Specification
|
Parameter
|
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)
|
