Quectel LC79D

Notes:

1.

2.

3. * Under development

Dual-Band GNSS Module

LC79D (A)

LC79D (B)

Region

Global

Global

Dimensions (mm)

10.1mm × 9.7mm × 2.4mm

10.1mm × 9.7mm × 2.4mm

Weight

Approx. 0.42g

Approx. 0.42g

Working Mode

Standalone Mode

Host

Embedded Flash

●

/

Temperature Range

Operation Temperature

-40°C ~ +85°C

-40°C ~ +85°C

Storage Temperature

-40°C ~ +90°C

-40°C ~ +90°C

GNSS Features

Supported Bands

GPS L1 C/A, Galileo E1, QZSS L1: 1575.42MHz

GPS L5, Galileo E5a, QZSS L5: 1176.45MHz

IRNSS L5: 1176.45MHz

GLONASS L1: 1602.5625MHz

BeiDou B1: 1561.098MHz

GPS L1 C/A, Galileo E1, QZSS L1: 1575.42MHz

GPS L5, Galileo E5a, QZSS L5: 1176.45MHz

IRNSS L5: 1176.45MHz

GLONASS L1: 1602.5625MHz

BeiDou B1: 1561.098MHz

Default GNSS Constellation

GPS+BeiDou+GLONASS+Galileo+QZSS+IRNSS

GPS+BeiDou+GLONASS+Galileo+QZSS+IRNSS

Channels

32 Channels

32 Channels

Horizontal Position Accuracy

Autonomous: <1.2m CEP

Autonomous: <1.2m CEP

①

Velocity Accuracy

Without Aid: <0.1m/s

Without Aid: <0.1m/s

①

Acceleration Accuracy

Without Aid: <0.1m/s²

Without Aid: <0.1m/s²

①

TTFF (with AGNSS)

Cold Start: <5s

Cold Start: <5s

①

TTFF (without AGNSS)

Cold Start: <34s

Warm Start: <30s

Hot Start: <2s

Cold Start: <34s

①

Warm Start: <30s

①

Hot Start: <2s*

Sensitivity

Acquisition: -147dBm

Tracking: -163dBm

Reacquisition: -158dBm

Acquisition: -147dBm

①

Tracking: -163dBm

①

Reacquisition: -158dBm

①

Dynamic Performance

Maximum Altitude: Max 18000m

Maximum Velocity: Max 515m/s

Maximum Acceleration: 4g

Maximum Altitude: Max 18000m

①

Maximum Velocity: Max 515m/s

①

Maximum Acceleration: 4g

①

Certifications

Regulatory

CE

CE

Others

RoHS

RoHS

Interfaces

SPI Interface

Multiplexed from UART

②

Up to 50MHz

I2C Interface*

●

●

UART Interface

Adjustable: 115200bps~921600bps

Default: 115200bps

Update Rate: 1Hz

Multiplexed from SPI

②

I/O Voltage

Typical 1.8V

Typical 1.8V

Protocols

NMEA 0183

NMEA 0183

External Antenna Interface

Antenna Type

Passive or Active

Passive or Active

Antenna Power Supply

External or

Internal (through VCC_RF)

External or

Internal (through VCC_RF)

Electrical Features

Supply Voltage Range

1.7V~1.9V, Typical 1.8V

1.7V~1.9V, Typical 1.8V

Current Consumption

(@1.8V)

Normal Operation: 47mA @Acquisition

43mA @Tracking

Power Saving Modes: 200μA @Sleep Mode

17μA @Standby Mode

Normal Operation: 47mA @Acquisition

①

43mA @Tracking

①

Power Saving Modes: 200μA @Sleep Mode

①

17μA @Standby Mode

①

Copyright

© 2019 Quectel Wireless Solutions Co., Ltd.

All Rights Reserved http://www.quectel.com

HQ address: Building 5, Shanghai Business Park Phase III (Area B), No.1016 Tianlin Road, Minhang District, Shanghai, China 200233

Tel: +86 21 51086236

Email: info@quectel.com