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FM3966 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：15mm x 14mm x 2.55mm
SMD TYPE
RoHS compliant Advanced software features

  • AlwaysLocateTM advanced location awareness technology
  • EPOTM orbit prediction
  • Supports logger function (LOCUS)
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FM3966 GPS Module Datasheet 852.44 KB
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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
CPU ARM7EJ-S
MTTF (mean time to failure) >10 years
Dimensions
Length/Width/Height 15*14*2.55 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)
RTCM
MTK NMEA Command
Network 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)
Default Setting
DGPS SBAS*
Datum WGS84
Environment
Operating Temperature -45 ℃ to 85 ℃
Storage Temperature -50 ℃ to 125 ℃
Operating Humidity 5% to 95% (no condensing)

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