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K728 OEM Board
 
 

The K728 is a dual-antenna, multi-constellation GNSS board that delivers high-accuracy positioning and heading. Using the latest QuantumTM algorithm in combination with upgraded SinoGNSS ASIC chip and latest Atmel processor, the K728 GNSS Receiver provides robust 404 channels for multi-constellation tracking performance. It is a wise choice for accurate agriculture and intelligent transportation system with high precision positioning and orientation requirements.

GPS: L1 C/A, L2C, L2P; BeiDou B1/B2; GLONASS: L1C/A, L1P, L2C/A, L2P

Dual-antenna design for robust heading and positioning

Advanced QuantumTM Algorithm

DP-Filter Smooth Function

Support PPS and Event Marker

Webserver service

Signal Tracking

 

Channels

404 channels

GPS

GPS: L1 C/A, L2C, L2P

BeiDou

B1, B2

GLONASS

L1C/A, L1P, L2C/A, L2P

Performance Specifications

Cold start

<50s

Warm start

<45s

Hot start

<15s

RTK Initialization time

typically <10s

Signal reacquisition

<2s

Initialization reliability

typically>99.9%

Velocity accuracy

0.03m/s

Acceleration

4g

Overload

15g

Positioning Specifications

 

Post Processing Static

 

2.5 mm+1 ppm Horizontal

5 mm+1 ppm Vertical

Single Baseline RTK

(<30km)

8 mm + 1 ppm Horizontal

15 mm + 1 ppm Vertical

DGPS

<0.5 m 3D RMS

Standalone

1.5 m 3D RMS

Heading Specifications

 

Azimuth

(0.2/R)°

Roll and Pitch

(0.4/R)°

Communications

 

Communication ports

3 LV-TTL ports, 1 RS-232 baud rates up to 921,600 bps

1 USB port    

1 LAN Ethernet port, HTTP, TCP and Ntrip protocol

2 CAN Bus (Reserved)

PPS

1 Pulse Per Second (PPS) Output

Event marker

Event marker input

Data Format

 

Correction data I/O

RTCM 2.X, 3.X, CMR(GPS only), CMR+(GPS only)

Position data output

-ASCII: NMEA-0183 GSV, RMC, HDT, VHD, GGA, GSA, ZDA, VTG, GST; PTNL, PJK PTNL, AVR PTNL, GGK

-ComNav Binary

-BINEX Data: 0x00, 0x01-01, 0x01-02, 0x01-05,0x7d-00, 0x7e-00, 0x7f-05

Physical

 

Size(L×W×H)

100mm×60mm×9mm

I/O interface

44-pin double male header

Weight

44.2 g

Antenna

2* 50Ω MCX female (+5V ± 2%VDC @ 0-100mA)

Environmental

 

Working temperature

-40 to +80

Storage temperature

-55 to +95

Humidity

95% no condensation

Electrical

 

Input Voltage

Input voltage: +3.3V ~ +5.5VDC

Power consumption

2.1W

Software

 

OEM Board setup

ComNav Compass Receiver Utility software

 
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