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Size: D=145mm, BK1662G chip, L1+L2 +L5 three-frequency, multi-mode,equipped with pillar and base,with RTK algorithm,IPX7

GRM-R145TFRKW-BKGB


Features

 

Build on high performance, low-power BK1662G chip set

Ultra high Track sensitivity: -165dBm

Concurrent reception of three-band and multi-system satellite signals

Supports all civil GNSS signals

Supports BDS-3 signal

Supports RTK; Protocol:RTCM 3.3

Extremely fast TTFF at low signal level

Multipath detection and suppression

Works with passive and active antenna

Low power consumption: Max 78mA@3.3V

NMEA-0183 compliant protocol or custom protocol

Operating voltage:3.0V to 5.5V

Patch antenna size:60*60*8&40*40*4mm

Small form factor: D=145mm, H=60mm

Communication type: RS232

Wire interface type: Molex 4Pin , L=500±50cm , with corrugated sleeve

Weight: Approx. 340g(±2%)

Waterproofing grade: IP67

Operating temperature -40 ~ +85ºC

RoHS compliant (Lead-free)


Functional Description

Parameter

Specification

Power supply

• Supply voltage: 3.0V~5.5V  Typical: 3.3V

Power consumption

• Acquisition: 75mA @VCC=VBAT=3.3V

• Tracking: 78mA @VCC=VBAT=3.3V

• Standby: 2.0mA @VCC=3.3V

• Backup: 20uA @VBAT=3.3V

GNSS engine

• 200 tracking channels with fast search engine

GNSS reception

• GPS/QZSS: L1.L5.L2C

• GLONASS: L1.L2C

• GALILEO: E1.E5

• BEIDOU: B1I.B1C.B2A.B2I.B3I

• SBAS: WAAS.EGNOS.MSAS.GAGAN

Update rate

• GNSS: 20Hz Maximum,1Hz by default

• RTK: 10Hz Maximum,1Hz by default

RTK

• RTCM3.3

Position accuracy

• GNSS: 1m CEP

• RTK: 1cm+1ppm (CEP50

Velocity & Time accuracy

• GNSS: 0.01m/s CEP

• SBAS: 0.05 m/s

• 1PPS: 20 ns

Time to First Fix(TTFF)

• Hot start: 5 s

• Cold start: 28 s

• AGPS: 1.5s

• RTK initialization time: ≤10s

• RTK Re-acquisition time: 2s

Sensitivity

• Cold start: -148dBm

• Hot start: -165dBm

• Re-acquisition: -159dBm

• Tracking & navigation: -165dBm

GNSS Operating limit

• Velocity: 515m/s 

• Altitude: 18000m 

Datum

• Default WGS-84, User definable

RS232 Port

• RS232 Port: RS232_TX and RS232_ RX

• Supports baud rate : 9600 , 38400 , 115200 , 230400 , 460800 , 1000000 ,              2000000, 115200bps by default.

• NMEA 0183 Protocol Ver.4.10, BK GNSS Receiver Protocol

• Supports batch data report mode

Temperature Range

• Normal operation: -40°C ~ +85°C

• Storage temperature: -40°C ~ +100°C

• Humidity: 5% ~ 95%




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