Linear Delta 3 DT-4B DNT00027B 4-channel Visor Transmitter for automatic garage/gate operators

The DNT00027B is the official part number for the Linear Delta 3 DT-4B, a 4-channel visor-style remote control designed to operate up to four garage doors, gates, or receivers within a 310 MHz Delta-3 system. Built for commercial and residential access control applications, this transmitter is a favorite among installers and property managers for its simplicity, compatibility, and range.

With 64 DIP-switch programmable codes, the DNT00027B delivers secure fixed-code transmission and flexible multi-door or multi-command operation. It's ideal for use with Linear Delta-3 single-channel, dual-channel, or four-channel receivers and supports configurations such as Open, Close, Stop or multiple independent door activations.

Product Features

• Model Number: DNT00027B (DT-4B)

• Brand: Linear

• System: Delta-3 Series

• Frequency: 310 MHz

• Channels: 4 programmable buttons

• Code System: 64-position DIP switches (manual programming)

• Range: Long-range transmission up to several hundred feet

• Indicator: LED light confirms signal transmission

• Power Supply: 9V battery (included)

• Mounting Option: Visor clip included

• Dimensions: 3.75" H × 2.16" W × 0.95" D

• Color: Black

Compatibility

• Receivers:

  • Delta-3 single-channel receivers

  • Delta-3 dual-channel and four-channel receivers

• Devices:

  • Commercial garage door openers

  • Residential gate operators

  • Barrier arms and access control systems using Delta-3 fixed-code

⚠️ Not compatible with rolling code or Security+ 2.0 systems

Ideal Applications

• Multi-bay garages

• Apartment and condo complexes

• Warehouse and logistics centers

• Remote-controlled gate access for commercial properties

The DNT00027B Linear DT-4B Transmitter offers a reliable, multi-door access solution in one compact, user-friendly remote. Whether you're upgrading a commercial access system or managing a multi-gate facility, this transmitter provides the security and flexibility needed to keep operations moving smoothly.