The DSC Impassa ADT Keypad Panel and ADT Cell Radio is DSC’s self-contained 2-way wireless system. It can handle up to 64 wireless zones and 16 wireless keys. In addition, the 3g cell radio comes built inside. It also comes with an Alpha display, two-way voice ability, high decibel siren, backup battery, chime features, and more. Additionally, this keypad can have up to 17 user codes.

Even though it has a siren built-in, you can also add 4 more wireless sirens. You can also add up to 4 more wireless keypads to this system.

Features of the DSC Impassa ADT Keypad Panel and ADT Cell Radio:

• Supports 64 wireless zones and also 16 wireless keys (without using a zone slot)
• Comes with an integrated HSPA (3G) cellular communicator
• Cellular signal strength read-out to optimize placement
• Built-in 2-way audio VOX and also push-to-talk alarm communication via phone line and also cellular
• 2-way wireless support: -4 keypad, -4 sirens, – 16 wireless keys
• Real-time clock update using cellular and also internet communicator
• Remote firmware upgrade via cellular and also internet
• Easy wireless device enrollment process
• Template programming
• Full 32-character programmable labels
• Enlarged keypad buttons
• 5 programmable function keys
• Individual FAP keys
• 17 user codes
• 500 event buffer
• False alarm reduction features (CP-01)
• Enlarged keypad buttons
• Outdoor temperature display
• Label Library

  For a replacement battery go here
  For a replacement, transformer go here