Solution for swarm Drones

Hello. I develop swarm connetro of drones (20 psc.).
Each drone has pixhawk v2.4.8 + RadioLink M8N SE100 (GPS)+ rpi 3.

What products do I need to purchase to get centimeter accuracy?

regards,
Dmitry

Hello,
You can find our RTK GPS here https://drotek.com/shop/en/233-u-blox-neo-m8p
Don’t hesitate if you have further questions.

I understand that I need a transmitter (RTC) and 20 receivers.
Can you advise which kit is better to take to avoid compatibility problems?

https://drotek.com/shop/en/233-u-blox-neo-m8p