how to install teokit AGNSS L2 into DJI PHANTOM 4 PRO/ADV/V2
Version 2.0
Teokit's scope of delivery includes:
AShot sync board;
Custom flexible cable with two attached wires;
Custom flexible cable with Vanavara Digital logo
3 pin power cable for AGNSS L2 board;
2 screws for securing the AShot board;
Teoboard distribution board with mounting nut;
MCX-MCX RF coaxial cable;
Insulating tape for Teoboard;
AGNSS L2 board

Be extremely careful during installation process of Teokit. Please, read instruction first and make sure that you understand whole process. Mistakes during installation process might lead to failure of your drone.

If you feel that your skills and experience are not enough, please, consult with a specialist and ask for help.

Teokit manufacturer is not responsible for improper installation.
All actions you perform at your own risk and responsibility.

You will get best result by contacting professionals.
Experienced technician can easily install Teokit in 2 hours.

For those who are confident with their skills and experience – follow our instruction.

You should make photos of the installation steps to ensure the hardware warranty and the ability to assist you if something goes wrong.
Emlid Reach M+/M2 installation manual here:
You will need:
Crosshead screwdriver;
Hex screwdriver 1.5 and 2 mm;
8 mm socket wrench;
Soldering Station;
Drills 2 and 7 mm;
Put the drone upside down and unscrew 8 screws holding gimbal using a 1.5 mm hex driver.

Then carefully unscrew 2 cross screws securing flexible cable to gimbal board. Then unplug flexible cable from both DJI's 3-in-1 board and gimbal board. We will use flexible cable again in "Cable preparation" part.
Also disconnect the copter's antenna connector MMCX clip.

Remove the 2 screws securing the copter housing to its frame.
Detach the transparent covers from the arms.

Using a 2mm screwdriver unscrew 12 screws securing copter motors and 8 screws securing the housing.

continue of the DISASSEMBLY
Separate the bottom and top of the case by gently uncoupling the clips. If necessary, use a wooden or plastic tool to avoid damage.

Then disconnect the compass connectors.

Using a 2mm screwdriver, unscrew the 4 screws holding the copter's frame.
If your drone has ADS-B system antennas,
remove them so that they do not interfere with the installation of the AGNSS L2 module.
It is necessary to unsolder motors' and LEDs' wires from the DJI's left side regulator board.
Use soldering station.

Disconnect the GPS module connector and free the upper housing from the frame.
removing gps module
Using a crosshead screwdriver, unscrew the 3 self-tapping screws and remove the GPS module.

Put the Teokit sticker on its place, it shows where to drill the hole for the antenna connector.
First, drill a 2 mm hole.
Then enlarge a hole with a bigger 7 mm drill.

Be gentle and try not to damage other parts of the case.

On the outside of the case, remove the DJI sticker. Remove any remaining glue with alcohol.
Install the Teoboard GNSS distribution board in the hole so that SMA connector protrudes outward.

Caution: Do not use screws that were securing DJI`s GPS module to secure Teoboard.

Secure the board with the washer and nut.
Use 8 mm socket wrench.
Cover Teoboard with insulating tape. It is included in the scope of delivery.
Important! You need to cover Teoboard completely. Metal parts of the board should not touch the "shield".

Put DJI the self-adhesive shielding layer on its place.

Guide the 4-pin Teoboard cable through the hole designed for it so it will possible to plug in to DJI's GPS module's port.
First you need to solder back motor's and LED cable to the DJI's regulator board.

Then connect 4-pin connector of the Teoboard back to DJI's GPS module's port (from where we disconnected cable in "It gets more interesting" part).
AGNSS L2 installation
First you need to solder LED cable to the AGNSS board (see photo).
AGNSS L2 installation
Connect power cable to the AGNSS board
Connect MCX plug to the AGNNS board
Fix board with plastic secure to the metall arm of copter frame (see photo).
Guide AGNSS power cable to the place where AShot board will be installed and secure cable with sealant.
Secure MCX plug with sealant.
Secure AGNSS board to the metall frame of the drone with sealant.

We recommend using Kafuter K-704B silicone rubber adhesive.
Remove the duct from the left front arm(where AGNSS will be installed) of the bottom of the body.
Put the foam sticker in the arm.
CONTINUE the ASSEMBly process...
Install the bottom housing of the copter.
Plug in the compass connectors.

After fastening the two parts of the case, plug in the antenna connectors back to the 3-in-1 board.
Secure these connectors with a metal strip with 2 screws.

Tighten the 2 screws securing the copter's housing to the frame.

Secure the copter motors with 12 screws. Connect the top of the copter to the bottom with 8 screws. Use a 2mm screwdriver.
Plug AShot board into DJI's 3-in-1 board.

Then plug in AGNSS board's power cable into the 3-pin port of AShot board.

Secure AShot board to aluminum radiator with 2 screws included in the scope of delivery.
Prepare the gimbal to connect to the AShot board.

Remove the 4 screws of the upper gimbal board.

Unplug the flexible cable from rear side of gimbal connect Vanavara mini flex cable as shown in the photo.
Connect of gimbal's flexible cable with mini flexible cable came with AShot as shown in the photo.
Put gimbal board in place and tighten it with 4 cross screws.

Plug VanavaraDigital flexible cable to the socket on gibmal board. Fix it with 2 srews.

It is very important that the insulating layer is on the top board of the codec as well as on the metal plate.

Gimbal preparation finished.
plug in and finish
Connect the 2-wire cable to the AShot board connector.

You already connected the 3-core power cable for the AGNSS board.

Plug flexible cable, which we earlier attached to gimbal board, into AShot's socket.

Before you fix the gimbal bowl on the copter body, carefully check the location of the cables.

Place the bowll on the bottom of the copter and tighten the 8 screws with a 1.5 mm screwdriver.
stickers :-)
Install a spiral antenna and put the stickers.
Turn drone on and go to AGNSS wifi web page to check it.
More info about using AGNSS L2 is on the docs page:
Congratulations! Installation is complete!
Thank you for your interest in our kit.