Polaris GNSS
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UPM-Lite+ Kit

This RTK receiver and antenna kit contains light weight high precision antenna enabling user to setup RTK system for applications such as UAV precision guidance that requires light weight antenna. Or it can be used as a Bluetooth RTK receiver for use with Android phones for GIS data collection.

* 1cm + 1ppm Accuracy
* Configurable as RTK Base or RTK Rover
* Plug Compatible with ArduPilot and Pixhawk
* 16GB SD Card Data Storage
* Support 1 / 2 / 4 / 5 / 8 / 10 Hz RTK Update Rate
* Standard UART Serial for Machine Guidance Interfacing
* USB Serial for Laptop Setup Configuration Monitoring
* Functions as Bluetooth RTK Receiver for Android Mobile Device
* Brings Centimeter Level Accuracy to Android Mobile Device

* 1 Alpha+ Multi-Band RTK Receiver
* 1 Multi-Band High Precision Antenna

* 1 DF13 6-pin to 2.54 mm female jumpers
* 1 DF13 6-pin UAV-to-rover connector cable 
* 1 DF13 4-pin to 2.54 mm female jumpers
* 1 DF13 4-pin connector cable
* 1 DF13 6-pin base-to-rover connector cable
    (for base/rover pair short baseline testing)

* 1 USB Connection Cable
* 1 16GB MicroSD Memory Card

An UNLIMITED or ONE YEAR Usage Plan is required to activate Alpha+ for RTK and raw measurement SD-card logging capability. The Usage Plan can be ordered after receiving the UPM-Lite+ Kit.

UPM-LITE+ KIT shipping date March 16


  • Features
  • Specifications
  • Documents
  • Supports
  • v   Supports GNSS signals of GPS/QZSS L1/L2C, Beidou B1I/B2I, Galileo E1/E5b, GLONASS L1/L2

    v   Provides centimeter-level positioning accuracy

    v   Up to 10Hz update rate

    v   USB, UART, Bluetooth interface

  • Mechanical

    Size: 74.5x 54 x 17 mm
    Weight: 40 g
    Operating Temp: -20 ~+65ºC


    Bluetooth: 2.1 EDR
    Interfaces: USB, UART, SD Card, PPS

    Positioning Accuracy

    Horizontal: 1 cm + 1 ppm


    External Power Input: Micro USB 5V



    GPS/QZSS L1/L2C,
    Beidou B1I/B2I,
    Galileo E1/E5b

    Channels: 230
    Update Rate: 1/2/4/5/8/10 Hz


    Size: 16 GB
    Correction Input: RTCM3.x, SkyTraq RAW
    Solution Output: NMEA
    Logs: SkyTraq Binary RAW Data
  • Alpha+ RTK Receiver User Guide

                                                                      Alpha+ RTK Receiver User Guide

  • Alpha RTK Code for Arduino Duo and Raspberry Pi



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