![]() Here's how it breaks down: Grade 1 locks are rated to provide the highest level of security, Grade 2 provides intermediate security, and Grade 3 provides basic security. These numbers are based on their performance on various tests administered by the American National Standards Institute (ANSI). It turns out that all quality locks are awarded an ANSI Grade of 1, 2, or 3. This is similar to a key fob you may use to gain access to your car-but, a key fob is a physical, remote control device while keyless entry may include another device, like a keypad or biometric sensor.įor more guidance on keyless entry systems, see our What to Look for in a Keyless Entry System section below. It's often controlled wirelessly via a Wi-Fi or Bluetooth connection.
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