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 |
Dimensions | |
Length/Width/Height | 22*22*8.0 mm |
Weight | 8 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 (SBAS (WAAS, EGNOS, MSAS)):0.05m/s | |
Acceleration Accuracy | Without aid:0.1 m/s² |
DGPS (SBAS (WAAS, EGNOS, MSAS)):0.05m/s² | |
Timing Accuracy | 100 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:20mA 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 (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 | -45 ℃ to 85 ℃ |
Storage Temperature | -50 ℃ to 125 ℃ |
Operating Humidity | 5% to 95% (no condensing) |