The HID Aero two-door controller at the centre of an Alarm.com Aero access install. Standard Aero hardware, licensed to Alarm.com's cloud.
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Alarm.com access control hardware is licensed to an Alarm.com for Business account. The controllers are standard HID Aero and Mercury boards, but as sold their configuration and credential database live in Alarm.com's cloud, with no local API for Home Assistant.
This is the most reversible lock-in in the range, which is worth knowing. HID Aero and Mercury are open controller platforms that many access control vendors build on, so the panels, readers and wiring are not wasted if a client later changes software. What is bought from Alarm.com is the licence and the cloud, not the boards. For an install that needs door state and unlock events in Home Assistant, choose an access platform with a local API or an on-premise controller, and keep the same Mercury or Aero hardware underneath it.
- An access control platform with a documented local API, running on the same Mercury or HID Aero hardware
- Ubiquiti
- For a single door in a home, a Z-Wave or Matter lock Home Assistant drives directly
The HID Aero door controller. Each reader port takes one Wiegand or OSDP reader, and four Form-C relays drive the lock hardware, rated 5A at 30VDC on the normally open contacts and 3A normally closed.
Aero is HID’s open controller platform, which is the important fact here. The board is not proprietary to Alarm.com, so the panel, the readers and the door wiring survive a change of access software. The licence does not.
It is also sold as the -2PSE and -4PSE kits, which are the same controller bundled with a power supply and enclosure for two or four doors.
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