Keri Systems PSK-3 Pyramid Series Proximity Key Ring Tag

Keep secure areas easy to access without sacrificing durability. The Keri Systems PSK-3 Pyramid Series Proximity Key Ring Tag is a compact, professional proximity credential engineered for everyday use in access control, security and facility monitoring environments. At 125 kHz and only 1.5" long (0.20" thick, 0.16 oz), the PSK-3 is small enough to stay on a key ring or lanyard yet engineered with an ABS body and brass eyelet to withstand daily wear and vandal-prone areas. It ships with unique codes, supports industry-standard 26-bit Wiegand or custom Wiegand formats, and works interchangeably with Keri Pyramid Series readers to simplify system administration and reduce credential inventory complexity. Because it’s designed for real-world workflows—entering buildings with keys in hand or securing interior doors—staff compliance improves and tailgating risks drop. Backed by Keri’s lifetime warranty, the PSK-3 delivers a low-cost, long-life credential option for integrators and security teams managing access control and surveillance-linked doors. Add the PSK-3 to your access control deployments today for reliable, pocket-sized security.

• Pocket-sized convenience for fast, one-handed access—ideal for busy lobbies and staff who carry keys
• Built to last: ABS construction, brass eyelet and “washing-machine tough” durability reduce replacement costs
• Universally compatible with Pyramid Series readers and standard 26-bit or custom Wiegand formats for easy integration
• Lightweight (0.16 oz) and compact (1.5") design fits on key rings or lanyards for consistent credential availability
• Lifetime warranty provides long-term reliability and peace of mind for security managers