VK2217 GPS module, SIRF3 chip, high-precision
Description :
VK2217 is the use of third-generation SiRF high sensitivity, low power consumption chip StarIII. Built-in ARM7TDMI CPU can meet the customized needs.
The ability to quickly locate and track 20 satellites , and set aside outside interface. Ultra-small , 200,000 -chip satellite tracking operation , a substantial increase in the ability to search and operational satellite signals
Applications:
Navigation (PND + phone ) , tracker ( vehicle and personal ) , and sailing.
Currently on the market with a unique high-performance, low- price alternative UBLOK 5S products , breaking UBLOK high monopolistic market .
Name the main parameters
SIFR III chipset
Sensitivity -159DB
Power search : 45mA
After positioning : 35 mA
Dimensions 22.4 (L ) x17 ( W ) x3 ( H) mm
Weight 1.1 g
Celsius operating temperature -40 ° C ---- +80 ° C
Celsius Storage temperature -45 ° C ---- +85 ° C
Operating voltage 3.3 + / - 5% V (VDC)
Satellite channel 32
Location Update one second
Positioning time ( average) Hot start : 1 second
Warm start: 33 seconds
Cold start : 36 seconds
Positioning accuracy Position: 3 meters CEP (CEP)
Speed: 0.1 m / s
Time: 1 microsecond
Use of Altitude : less than 18,000 m
Speed : less than 515 m / s
TTL output format
Data output (nmea0183) GPGGA, GPGSA, GPGSV, GPRMC, GPVTG, GPGLL optional .
Earth coordinate system WGS84
4800,9600,38400 optional transmission rate
Antenna external antenna connection
No battery backup
SMD module connection
VK2217 module pin assignment:
VK2217 module star search results: