REACH RS2 RTK GNSS Receiver to use as a BASE STATION and for GCP » DJI Phantom 4 PPK GNSS - TEOKIT ADAPTER

Easy and cheap PPK solution for your DJI Phantom 4 adv | pro
The first mass production solution with AShot board in the world

REACH RS2 RTK GNSS Receiver to use as a BASE STATION and for GCP

Reach RS2 is a multi-band RTK GNSS receiver with centimeter precision For surveying, mapping and navigation. Comes with a mobile app.


L1/L2/RTK GNSS receiver with centimeter precision

Reach RS2 gets fixed solution in seconds and provides positional accuracy down to several millimeters. The receiver tracks GPS/QZSS (L1, L2), GLONASS (L1, L2), BeiDou (B1, B2), Galileo (E1, E5), and reliably works in RTK mode on distances up to 60 km, and 100 km in PPK mode. Multi-feed antenna with multipath rejection offers robust performance even in challenging conditions.

RINEX raw data logs are compatible with OPUS, CSRS-PPP, AUSPOS, and other PPP services so you can now get centimeter-precise results in any place on Earth.


Built-in 3.5G modem and UHF LoRa radio

Reach RS2 features a power-efficient 3.5G HSPA modem with 2G fallback and global coverage. The corrections can be accessed or broadcasted over NTRIP independently, without relying on Internet connection on your smartphone.

For remote areas, Reach RS2 has built-in LoRa radio that has proven to be a reliable link for RTK corrections on distances up to 8 km.


Designed for tough conditions

Reach RS2 is engineered to be waterproof and impact-resistant. Its body is manufactured in a two-step injection process and is made out of shockproof polycarbonate covered in a special elastomer for extra protection. The receiver has an industry-standard 5/8'’ mounting thread.

The LiFePO4 battery of Reach RS2 is designed for 16 hours work as 3.5G RTK rover on one charge regardless of weather conditions. No more need to carry spare batteries with you. Reach RS2 can charge from a USB wall charger or a power bank over USB-C.

RS232 interface allows to connect Reach RS2 directly to external hardware and output position in NMEA.

Survey with ReachView app

Reach RS2 comes with a mobile app ReachView for iOS and Android, that is used to control all the features of the device. Create projects, collect and stakeout points. Import and export geodata in industry standard formats such as CSV, DXF, and ESRI Shapefile.



Reach RS2 Tech Specs

Key Features:

Multi-band GPS, GLONASS, BeiDou, Galileo
Fast RTK convergence, typically ~5 s
Multi-feed antenna with multipath rejection
5G modem
Internal LoRa radio
Wi-Fi, Bluetooth
16 hours as a 3.5G rover on one charge
NTRIP, VRS support, works with RTCM3
Water- and dustproof, IP67, shockproof
Logs RINEX with update rate up to 20 Hz
iOS/Android app for data collection
All features included in base price, no subscription fees
Centimeter accuracy with PPP services

2220 EUR


of DJI Phantom 4 adv | pro and Teokit


20 Mpx camera
26 minutes flight time
Instantly ready to fly


Teokit support Emlid Reach M+ board. 
The best and cheapest L1 solution for DJI Phantom 4


Our Spiral GNSS L1 antenna is highly sensitive.
Is mounted in the center of DJI Phantom 4. 
Quick and easy removable.


To get perfect accuracy, you need to apply one GCP autocalibration mode in the software (Metashape, Pix4D, etc).


AShot controls "DJI Can Bus" and read Camera info, settings like  Shutter etc, it also reads the Sony Sensor Bus to get the Exposure start and the Exposure end. 
That all allows AShot giving Timemark in the middle of Exposure without delay


The best PRE processing software for calculating the offset of the antenna relative to the camera when the copter is tilted.
Link for download:

Auto Shot Camera Control.

- make photos every 1.2 and 1.7 sec. without missing any
( DJI SDK has 3-4 photos passes per evry 100 photos ).
- powers Reach M+  module with good and stable voltage +5v.
- sends timemarks to Reach M+ in the middle of Shutter without delay. 
With AShot board and Reach M+ installed to DJI Ph4 pro we make survey maps with 5-6 cm plan error and 6-8 cm altitude error without GCPs.

Teoboard is the heart of Teokit

Teoboard is the heart of Teokit:
GNSS signal distribution board from the spiral antenna to the Reach M + and DJI GPS module.  A unique solution that allows you to have a constant high-quality signal of the GPS and GLONASS satellite constellations.  Get high quality RAW satellite measurement data always, regardless of the weather and time!



- control of the number of tags and photos;
- filtering extra photos;
- calculate for camera coordinate offset due to the tilt of the copter;
- assignment of a unique names to photos;
- export coordinates into exif and CSV;
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