Dealers. First. Always.       |      The professional integrators favorite security distributor for over 20 years and counting.

Popular Everyday Products

STI-3300 STI Wireless Doorbell Extender

SKU: STI-3300
  • Wireless musical doorbell chime
  • Connects to traditional hard wired doorbell
  • Extends doorbell to hard-to-hear areas
  • Long range operates up to 500 feet (line of sight)
  • Offers two selectable sounds
  • UL/cUL Listed, FCC and IC Compliant
  • 64 dB 81 dB at 1. See decibel ratings in literature for details
More details...
MSRP Price: $69.09

DWG Dealer Price : ---

Dealers - click here to set up your dealer account today.

Existing DWG Customers - Log In to view your current dealer pricing.

STI-3300 STI Wireless Doorbell Extender
STI-3300 STI Wireless Doorbell Extender
Previous Item   Next Item
Product Details

STI Wireless Chimes greet your visitors with a pleasant chime and lets you know when the door opens or a person enters the detection zone. All chimes are compatible with each other. Distinguish between front and back doors by adding transmitters and selecting a different chime on each. Transmitters have up to 500 operating range (line of sight).


  • Frequency - 433 MHz
  • Power Source - Receiver plugs into 120 VAC outlet (minimum 110 VAC)

STI-3300 Specifications PDF

Product Reviews

Write your own review


Rate this product: