American Access Systems Advantage DK Digital Key Pad The AdvantageDK line of keyless entry offers a post mount model and is also available with a call button and durable 8 ohm speaker, allowing integration with an interior intercom. AdvantageDK models are stand alone and fully programmable from the keypad. All post mount models feature a high grade stainless steel faceplate and metal keypad. They are housed in a heavy metal, powder coated enclosure which will provide years of trouble free entry. The AdvantageDK line of keyless entry is the most popular model of keypad ever manufactured by American Access Systems. Each unit features a lighted panel with fully programmable independent codes, latch code, sleep code, 3 strikes you're out security, 2 relays and an external event input.