In this guide, you will come to know how to get Tek, Mecha, and Synth Mods in Warframe.
Tek, Mecha, and Synth mods can drop as completion rewards for doing certain level Fortuna/Orb Vallis bounties.
The level bounties you will need to do are bounties that range from 10-60, and when you look at the bounties, you will either Tek, Mecha, or Synth mods as potential rare rewards. The reward pools will change throughout the day, meaning that there will be different mods appearing in the bounties as rewards, so you’ll have a chance of getting them all, some mods taking longer to get than others.
These mods don’t have a low drop rate, but it may take you some time to get all the mods, but it shouldn’t take you super long to get them individually, depending on which ones you’re looking for.