FM_SMD

FM3911 GPS Module

SMD Type

Based on MediaTek Single Chip Architecture (MT3339)
ARM7 based application processor
High sensitivity: -165dBm tracking
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
1PPS GPS time reference
GPS data interface: TTL level serial port
Support NMEA 0183 standard V3.01 and backward compliance
Support SBAS – WAAS, EGNOS, GAGAN and MSAS
Dimension:11.5mm x 11.5mm x 2.15mm
RoHS compliant

Advanced software features
• AlwaysLocateTM advanced location awareness technology
• EPOTM orbit prediction
• Supports logger function (LOCUS)

Product Description

 

 
General
ChipsetMTK MT3339 flash memory version
FrequencyL1, 1575.42MHz
C/A Code1.023 MHz
Channels66 channels
SBASWAAS, EGNOS, GAGAN,MSAS Supported
DatumWGS84(Default), Tokyo-M, Tokyo-A, User Define
CPUARM7EJ-S
 
Dimensions
Length/Width/Height11.5*11.5*2.15 mm
Weight2 g
 
Performance Characteristics
Position AccuracyWithout aid:3.0m 2D-RMS
< 3m CEP (50%) without SA (horizontal)
DGPS (RTCM, SBAS (WAAS, EGNOS, MSAS)):2.5m
Velocity AccuracyWithout aid:0.1 m/s
DGPS (RTCM, SBAS (WAAS, EGNOS, MSAS)):0.05m/s
Acceleration AccuracyWithout aid:0.1 m/s²
DGPS (RTCM, SBAS (WAAS, EGNOS, MSAS)):0.05m/s²
Timing Accuracy100 ns RMS
SensitivityAcquisition:-148dBm (Cold Start)
Reacquisition:-157dBm
Tracking:-165dBm
Maximum Update RateUp to 10Hz(Default: 1Hz)
 
Acquisition (Open sky, stationary)
Reacquisition TimeLess than 1 second
Hot start1.0s (Typical)
Warm start34s (Typical)
Cold start35s (Typical)
 
Dynamic
AltitudeMaximum 18,000m
VelocityMaximum 515m/s
AccelerationMaximum 4G
 
Power
Input VoltageDC 3.3V Typical
Power Consumption @ 3.3VAcquisition:26mA Typical
Tracking:22mA Typical
 
I/O
Signal OutputRS232, 8 data bits, no parity, 1 stop bit
Available Baud Rates4800/9600/38400/57600/115200 bps(Default:9600)
ProtocolsNMEA 0183 v3.01 (GGA,GSA,GSV,RMC,VTG)
RTCM
MTK NMEA Command
Network Assistance Messages
 
Data output Interface
Protocol messages9600 bps/8/N/1 (Default)
Output formatGGA(1sec),GSA(1sec),RMC(1sec),VTG(1sec),
GSV(5sec) (Default)
 
Environment
Operating Temperature-45 ℃ to 85 ℃
Storage Temperature-50 ℃ to 125 ℃
Operating Humidity5% to 95% (no condensing)

 

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