GNSS Specification Datasheet

Dual-Band GNSS Module
Quectel LC79D
GNSS Features
Receiving Bands:
GPS L1 C/A Galileo E1 OS QZSS L1 C/A:
1575.42MHz
GPS L5 Galileo E5a QZSS L5: 1176.45MHz
IRNSS L5 C/A: 1176.45MHz
GLONASS L1 OF: 1602.5625MHz
BDs B1 C/A: 1561.098MHz
Horizontal Posion Accuracy:
Autonomous: <1.2m* CEP
Velocity Accuracy:
Without Aid: <0.1m/s
Acceleraon Accuracy:
Without Aid: <0.1m/s
Timing Accuracy:
1PPS: 37ns*
Reacquision Time: <2.5s
TTFF @-130dBm with AGPS:
Cold Start: <13s*
Warm Start: <2.5s*
Hot Start: <2.5s*
TTFF @-130dBm without AGPS:
Cold Start: <30.6s
Warm Start: <28.6s
Hot Start: <2.5s
Sensivity:
Acquision: -148dBm
Tracking: -164dBm
Reacquision: -159dBm
Dynamic Performance:
Maximum Altude: 18000m
Maximum Velocity: 515m/s
Maximum Acceleraon: 4G
Interfaces
SPI Interface:
Up to 50MHz
UART Interface:
Adjustable: 115200bps~921600bps
Default: 115200bps
Update Rate: 1Hz (Default), up to 10Hz
I/O Voltage: 1.7V~1.9V, typical 1.8V
External Antenna Interface:
Antenna Type: Passive or Acve
Antenna Power Supply: External
Power Management
Power Supply:
1.7V~1.9V, typical 1.8V
Power Acquision:
43mA*@1.8V
Power Tracking:
40mA*@1.8V
Power Saving:
TBD @Standby Mode
General Features
Temperature Range: -40°C ~ +85°C
Dimension: 10.1mm × 9.7mm ×2.4mm
Weight: 0.6g
Protocols: NMEA 0183
Approvals
Regulatory:
CE* (Europe)
Others:
RoHS Compliant
* Preliminary data
Copyright © 2019 Quectel Wireless Solutions Co., Ltd. All Rights Reserved http://www.quectel.com
HQ address: 7th Floor, Hongye Building, No.1801 Hongmei Road, Xuhui District, Shanghai 200233, China
Tel: [phone] Email: [e-mail]
10.1 mm
9.7mm
2.4mm