Quectel LC79D, Hardware Design

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GNSS Module Series
LC79D Hardware Design
LC79D_Hardware_Design 10 / 42
2.3. Key Features
Table 3: Key Features
Features Details
Supported Bands
1)

GPS L1 C/A (1574.397MHz ~ 1576.443MHz)

BeiDou B1 C/A (1559.052MHz ~ 1563.144MHz)

GLONASS L1 OF (1597.781MHz ~ 1605.656MHz)

Galileo E1 OS (1573.374MHz ~ 1577.466MHz)

GPS L5 (1166.22MHz ~ 1186.68MHz)

IRNSS L5 (1175.427MHz ~ 1177.473MHz)

Galileo E5a (1166.22MHz ~ 1186.68MHz)
Power Supply

VCC: 1.7V~1.9V, typical 1.8V
Power Consumption
(GPS+
QZSS+IRNSS)

Acquisition: 47mA

Tracking: 43mA

Sleep mode: 200
μA

Standby mode: 17
μA
Sensitivity (GPS+GLONASS)

Acquisition: -147dBm

Reacquisition: -158dBm

Tracking: -163dBm
Sensitivity (IRNSS only)

Acquisition: -144dBm

Reacquisition: -151dBm

Tracking: -155dBm
TTFF (without AGNSS)

Cold start: <34s

Warm start: <30s

Hot start: <2s
TTFF (with AGNSS)

Cold Start: <5s
Horizontal Position Accuracy
(Autonomous)

<1.2m CEP @-130dBm
Update Rate

1Hz
Accuracy of 1PPS Signal

Typical accuracy: <100ns

Time pulse width: 5ms
Velocity Accuracy

Without aid: <0.1m/s
Acceleration Accuracy

Without aid: <0.1m/s²
Dynamic Performance

Maximum Altitude: 18000m

Maximum Velocity: 515m/s

Acceleration: 4g