Feature:
1. Equipped with standard 25 x 25 x 4MM high sensitivity GPS , which bring good positioning effect
2. Adopt UART / TTL level, 232 optional interface possess stable performance and high
3. Use KDS 0.5 PPM high accuracy TCXO; built-in SQI flash memory; built-in RTC crystal and Picofarads capacitor, possess faster heat root
4. Built-in LNA, low noise amplifier 1-10Hz, which bring a quiet environment in work
5. Online support for AssistNow and offline for AssistNow, GPS, GLONASS, GALILEO, SBAS (WAAS, EGNOS, MSAS, GAGAN) hybrid engines
Specification:
Item Type: GPS Module
Material: Plastic
Model: VK2828U7G5LF
Main Chip: UBX-G7020-KT
C/A, 1.023MHz stream
Receiving Frequency Band: L1[1575.42MHz]
Receiving Channel: 56CH
S11 SWR: ≤1.3
S22 SWR: ≤1.3
S21Log Mag: ≥20.0dB
S11 : 50Q±5%
Positioning Performance:
Horizontal Position Accuracy: <2.5meter[Autonomous][50%]<2meter[SBAS]
(CEP, 50%, 24 hours static, strength -130dBm, about 6 usable satellites)
Speed: <0.1meter/s
Direction: <0.5Degrees Timing Accuracy: 30ns
Reference Coordinate System: WGS-84
Maximum Altitude: 50000meter
Maximum Speed: 500meter/s
Acceleration: ≤4g
Electrical Performance:
Tracking Sensitivity: -162dBm
Capture Sensitivity: -160dBm
Cold Start Sensitivity: -148dBm
Warm Start Sensitivity: -148dBm
Hot Start Sensitivity: -156dBm
Cold Start Time: 29s (average)
Warm Start Time: 28s (average)
Hot Start Time: 1s (average)
AGPS[Network Aided Ephemeris Data]: 3s(average)
Data Rate: (UART/TTL): 9600bps (default) (Configurable Through Software: 4800, 19200, 38400, 57600,
115200, 230400, 460800, 921600)
Output Sentence: NMEA0183V3.0 (GGA, GSA, GSV, RMC, VTG, GLL) protocol data, output sentence combinations can be customized
Working Temperature: -40℃ to +85℃
Other Parameters:
Standard Clock Pulse: 0.25Hz~1KHz
Positioning Update Rate: 1Hz~10Hz (default 1Hz)
UART/TTL port interface (default)
RS232 port interface（optional）
Built-in SQI Flash
Size: Approx. 25 x 25 x 4mm / 1 x 1 x 0.2in
Package List:
1 x GPS Module
1 x
