We have a S539 Intercom and the specification data says it operates at 12vdc/3A or 24vdc/1.5A. I am wondering if that means that it will run on any voltage between 12 and 24vdc, or if it's somehow designed to only work at 12 and 24 but not ...

We have a SR01 that we intend to pair with an S539 Intercom. The SR01 will be located at a gate closure and I found out the power at the gate closure is 24v (actually more like 27v). I was wondering if the SR01 would still work if being pow ...

I have an S539 which supports Bluetooth LE for unlocking the door. In the settings on there it allows me to specify the RSSI Threshold for what the strength of the BLE must be before it will unlock the door. However, I also just recently ...

The Android SmartPlus app support the ability for the phone to be used as an NFC key. However, the iPhone SmartPlus app does not. This is mentioned in the associated KB article: https://knowledge.akuvox.com/docs/how-to-unlock-door-via-nfc . ...