Aiphone Proximity Key Tags.  40 Bit.  AC-PF-40

The Aiphone AC-PF-40 Proximity Key Tag is specifically designed for use with Aiphone access control and entry security systems, including their integrated intercom and door release platforms. Programmed in a 40-bit proximity format, this key tag provides expanded credential capacity, making it ideal for multi-tenant buildings, commercial facilities, and secured entry applications where larger user populations must be managed efficiently. The structured 40-bit encoding aligns with Aiphone system requirements, ensuring reliable identification and smooth operation across compatible Aiphone readers and controllers.

Built for everyday convenience, this compact key tag offers dependable contactless performance and is easily carried on a keyring or lanyard for quick presentation at entry points. Its durable construction supports frequent use in environments such as apartment complexes, office buildings, and gated facilities where Aiphone systems are commonly deployed. As a stocked product, the AC-PF-40 provides a readily available solution for system expansions, tenant turnover, or credential replacement, maintaining consistent format integrity and seamless integration within Aiphone-managed access systems.