9921T: 1-Button Transmitter

The Nortek Security & Control Family of Brands

9921/9931 Installation Manual
8832/8833 Installation Manual

One-button, one-channel, 9-Volt battery powered transmitter with visor clip, 9-position binary switch, 512 selectable codes.

Features

  • Compatible with Allstar and MVP receivers
  • Visor mounting clip supplied
  • Power: 9-volt battery
  • Codes: 512 (set by nine binary dip switches)
  • RF frequency: 318 MHz
  • Dimensions: 2.25″ W x 4.625″ H x 1″ D

Order number: 190-108794

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