We recommend 300-500 feet from mod to mod and elevating them off of the ground, this will dramatically help the radio quality. You can increase the distance by keeping an eye on the link quality between mods.

An additional feature on the Firing mods (FM) is Repeater Mode providing maximum wireless signal strength and more robust timing of the firing signals when you need to go even farther wirelessly. While some systems claim 1.5km ranges, that is in best case scenarios; pyro is seldom fired in best case scenarios.

What should the distance be between firing mods?