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) |
