Gate Control

Tap a button. Your Messages app opens with the command filled in. Tap Send to run it.

Relay phone number

Number of the relay's SIM Saved on this phone only.

Pulse length (seconds, 1 to 65535)

A pulse turns CH1 on for the set number of seconds, then turns it off automatically.

Only phone numbers the relay has authorized can control it. If nothing happens, check the authorized-number list on the relay.