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FM3911N GPS Module

  • Based on MediaTek Single Chip Architecture (MT3339).
  • ARM7 based application processor
  • High sensitivity: -165dBm tracking
  • L1 frequency, C/A code
  • Multi-tone active interface canceller (MTAIC)
  • Channels: 66 acquisition, 22 simultaneous tracking
  • Low power consumption: 26mA @ acquisition, 22mA @ tracking
  • Cold/Warm/Hot start time: <35/<34/<1 seconds
  • Maximum update rate up to 10Hz
  • GPS data interface: TTL level serial port
  • Support NMEA 0183 standard V3.01 and backward compliance
  • Support SBAS – WAAS, EGNOS, GAGAN and MSAS
  • Dimension:5mm x 13mm x 2.15mm
  • SMD TYPE
  • RoHS compliant
  • Supports logger function (LOCUS)
  • Advanced software features
    • AlwaysLocateTM advanced location awareness technology
    • EPOTM orbit prediction
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Description

Chipset Characteristics

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
CPU ARM7EJ-S
Dimensions
Length/Width/Height 11.5*13*2.15 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 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)
RTCMMTK NMEA CommandNetwork Assistance Messages
Data output Interface
TXDA/RXDA Function: NMEA output and PMTK command input
Setting: 9600 bps/8/N/1
Data: GGA(1sec),GSA(1sec),GSV(1sec),RMC(1sec)
TXDB/RXDB Function: NMEA output and RTCM input
Setting: 9600 bps/8/N/1
Data: non
Default Setting
DGPS SBAS*
Datum WGS84
Environment
Operating Temperature -45 ℃ to 85 ℃
Storage Temperature -50 ℃ to 125 ℃
Operating Humidity 5% to 95% (no condensing)

*The default DGPS mode is SBAS. If you want to use RTCM mode, please contact us for more information.

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