General

Chipset

MTK MT3329

Frequency

L1, 1575.42MHz

C/A Code

1.023 MHz

Channels

66 channels

SBAS

WAAS, EGNOS, GAGAN,MSAS Supported

Datum

WGS84(Default), Tokyo-M, Tokyo-A, User Define

CPU

ARM7EJ-S

Dimensions

Length/Width/Height

20*27.9*2.05 mm

Weight

2 g

Performance Characteristics

Position Accuracy

Without aid：3.0m 2D-RMS

< 3m CEP (50%) without SA (horizontal)

DGPS (RTCM, SBAS (WAAS, EGNOS, MSAS))：2.5m

Velocity Accuracy

Without aid：0.1 m/s

DGPS (RTCM, SBAS (WAAS, EGNOS, MSAS))：0.05m/s

Acceleration Accuracy

Without aid：0.1 m/s²

DGPS (RTCM, SBAS (WAAS, EGNOS, MSAS))：0.05m/s²

Timing Accuracy

100 ns RMS

Sensitivity

Acquisition：-148dBm (Cold Start)

Reacquisition：-157dBm

Tracking：-165dBm

Maximum Update Rate

Up to 10Hz(Default: 1Hz)

Acquisition (Open sky, stationary)

Reacquisition Time

Less than 1 second

Hot start

1.0s (Typical)

Warm start

34s (Typical)

Cold start

35s (Typical)

Dynamic

Altitude

Maximum 18,000m

Velocity

Maximum 515m/s

Acceleration

Maximum 4G

Power

Input Voltage

DC 3.3V Typical

Power Consumption @ 3.3V

Acquisition：40mA Typical

Tracking：30mA Typical

I/O

Signal Output

8 data bits, no parity, 1 stop bit

Available Baud Rates

4800/9600/38400/57600/115200 bps(Default：9600)

Protocols

NMEA 0183 v3.01 (Default：GGA,GSA,GSV,RMC,VTG)
RTCM
MTK NMEA Command
Network Assistance Messages

Data output Interface

Protocol messages

9600 bps/8/N/1 (Default)

Output format

GGA(1sec),GSA(1sec),RMC(1sec),VTG(1sec),
GSV(5sec) (Default)

Environment

Operating Temperature

-30 ℃ to 85 ℃

Storage Temperature

-40 ℃ to 125 ℃

Operating Humidity

5% to 95% (no condensing)