Item:  Beitian BE-122 BE-182 BE-252Q GPS 

Parameters:

Chip characteristics

Chip:M10050

Frequency:GPS L1 C/A, QZSS L1 C/A/S,BDS B1I/B1C, Galileo E1B/C,SBAS L1 C/A: WAAS, EGNOS, MSAS, GAGAN

Operation mode:GPS pBDS pGALILEO pSBAS pQZSS

BE122:Without compass

BE182:Without compass

BE252Q: With compass

Sensitivity

Track:-166dBm

Re-arrest:-160dbm

Cold start:-148dBm

Hot Start:-160dbm

Precision

Horizontal Accuracy:1.5m CEP 2D RMS SBAS Auxiliary (For Open Sky),(252Q 1.5m CEP)

Speed accuracy:0.05 m/s

Dynamic inclination accuracy:0.3 degrees

1PPS Time Accuracy:RMS 30ns/99% 60ns

Start time

Cold start:27s

Hot Start:1s

Assisted start:1s

Output data

Transmission rate:4800bps921600bps,default38400bps(252Q default115200bps)

Output level:Ttl-level

Initial protocol:NMEA,UBX

NMEA sentences:RMC,VTG,GGA,GSA,GSV,GLL

Update Frequency:0.25Hz-18Hz, 1Hz by default(252Q  10Hz by default)

Second pulse:Configurable from 0.25Hz to 10 MHz, default period is 1s, and high level lasts 100ms

Work restrictions

High:80,000 million

Speed:<500 m/s

Gravitational acceleration:<4g

Energy consumption

Voltage:DC 3.6V-5.5V, typical: 5.0V

Current:Normal 50mA/5.0V(252Q 15mA/5.0V)

Environment

Operating temperature:-40 ° c ~ + 85 ° c

Storage temperature:-40 ° c ~ + 105 ° c

LED

Built-in LED

TX LED: blue. Data output, TX flashes

PPS LED: red. PPS does not light up when GPS is not fixed, flashes after repair

252Q Compass:Internal electronic compass QMC5883

Package Included:

Beitian BE-122 GPS x 1

or

Beitian BE-182 GPS x 1

or

Beitian BE-252Q GPS x 1