With over 200 million credentials in use around the world, HID is the market leader in contactless cards for access control. Our global reputation for delivering quality, value, partnership, and service excellence to our customers is unsurpassed in the security Industry. For security managers, dealers, integrators and OEMs, HID proximity cards are recognized as the industry standard for physical access control. Featuring 125 kHz RFID technology HID prox products are robust, affordable, and seamlessly integrate with access control systems.