Cheap gps board K128 GPS L1 L2 BDS B1 B2 OEM module for machine control /land surveying

Signal Tracking

 Channel

 198 Channels

 GPS

 L1 C/A Code, L1/L2 P Code

 BeiDou 

 B1, B2

 SBAS

 WAAS, EGNOS, MSAS

 Cold Start

 < 50s

 Warm Start

 < 30s

 Hot Start

 < 15s

 Signal Reacquisition

 < 2s

 Positioning Specifications

 Pseudo Range Accuracy

 L1=10cm/L2 =10cm, B1=10cm/B2=10cm

 Carrier Phase Accuracy

 L1=0.5mm/L2=1mm, B1=0.5mm/B2=0.5mm

 Standalone Position Accuracy

 < 1.5m

 Real Time Kinematics (RTK)

 Horizontal: 10 mm + 1 ppm RMS

 Vertical: 20 mm + 1 ppm RMS

 Initialization Time

 Typically < 10s

 Initialization Reliability

 Typically > 99.9%

 Post Processing Static

 Horizontal: 2.5 mm + 1 ppm RMS

 Vertical: 5 mm + 1 ppm RMS

 Velocity Accuracy

 0.03 m/s

 Acceleration

 4g

 Overload

 15g 

 Time Precision

 GPS

 20 ns

 BeiDou

 30ns

 GPS + BeiDou

 20 ns

 Communications

 RS232

 3 LV-TTL Ports, Baud rates up to 921,600 bps

 Positioning Data Outputs

 1 Hz, 5 Hz & 10 Hz (depends on installed option)

 Raw Data Outputs

 1 Hz, 5 Hz, 10Hz & 20 Hz

 PPS

 1 Pulse Per Second Output

 Indicating Light

 3 LED Indicating light

 Indicating Power, Satellite Tracking and Differential Data

 Data Format

 Correction Data I/O

 RTCM 2.1, 2.2, 2.3, 3.0, 3.1, CMR(GPS only),CMR+(GPS only)

 Position Data Outputs

 ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA,

            VTG, GST, PJK, PTNL

 Extended NMEA-0183 BDGGA, GPNTR, GPCDT, GPHPR

 Binary (compatible with major brands)

 Phisical

 Size (L x W x H)

 100mm x 60mm x 12mm

 I/O Interface

 44-pin Double Male Header 

 Weight

 40g 

 Antenna

 2 x MCX Receptacle (10 MHZ)

 Environmental

 Working Temperature

 -40°C to +85°C

 Storage Temperature

 -55°C to +95°C

 Humidity

 95% Non-Condensation

 Electric

 Input Voltage

 3.3-6V DC

 Power Consumption

 1.0W

 Memory

 100MB