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FGM-AS-01 GNSS GPS Development Board

Arduino Compatible

Features

Standard Arduino sized shield
66-channel GNSS or GPS module
Support NMEA 0183 standard V3.01 and backward compliance
Support SBAS — WAAS, EGNOS, GAGAN, MSAS and QZSS
Built-in backup battery allowing hot/ware start and better performance.
Integrated patch antenna and external active antenna supported.
On board USB to TTL converter allowing user to access GPS module directly.
Two optional UART paths for Arduino platform.

Description

General
Chipset MTK MT3339
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

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 10 ns RMS
Sensitivity Acquisition:-148dBm (Cold Start)
Reacquisition:-163dBm
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:26mA Typical
Tracking:22mA Typical

I/O

Signal Output TTL level, 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)
MTK NMEA Command

Data output Interface

Protocol messages 9600 bps/8/N/1 (Default)
Output format GGA(1sec),GSA(1sec),RMC(1sec),VTG(1sec),
GSV(5sec) (Default)