DMP’s new 7873H high-security keypad makes it virtually impossible to steal user codes by shoulder surfing or surveillance. The keypad is randomized every time the panel requests a prompt for user code, try again and key-in PIN. The keypad’s number sequence changes at each of these prompts, preventing pattern recognition and fingerprints that leave a tell-tale impression of the numbers used in a valid PIN code. Along with the randomizing keypad, DMP’s 7873H also has a privacy screen to minimize side viewing angles.

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