Linear Act-31B 1-Channel Keychain Transmitter – 318 MHz, Black

Compact, powerful access on the go

Meet the Linear Act-31B 1-Channel Keychain Transmitter in a sleek black housing. This pocket-friendly device is designed to ride on your keyring, ready for quick, everyday access when you need it. Its compact profile means it stays out of the way while still delivering reliable control when you reach for it.

The transmitter is built to work with Linear's MegaCode ecosystem and is backed by a factory-programmed MegaCode format that supports more than a million codes, offering broad compatibility within the Linear access family. You can pair confidence with practicality in a single, easy-to-carry device.

Key features at a glance

• MegaCode transmitter for use with Linear Access MegaCode receivers and controllers
• Factory-programmed MegaCode format supports more than 1 million codes
• Operating frequency: 318 MHz
• Includes two 2016-type lithium batteries, quick-disconnect key ring
• Sleek black housing and compact design for easy everyday carry
• Please refer to the Installation Manual before use

Everyday use and real-life scenarios

Carry this transmitter for fast access at home, in the garage, or at a gated entry. The compact form factor minimizes bulk on a crowded keyring, while the reliable signal helps you trigger compatible Linear devices with confidence.

• One-channel operation keeps actions simple and intuitive
• Two batteries are ready to power your transmitter out of the box
• Quick-disconnect ring makes it easy to remove or reattach to your keys
• 318 MHz frequency is selected to align with Linear receivers and controllers

Setup and guidance

For best results, review the Installation Manual before first use and ensure you are pairing with Linear MegaCode receivers and controllers.

About the Linear Act-31B, you gain a compact, purpose-built accessory designed to complement your existing Linear access setup. It offers practical flexibility without overpromising outcomes, presenting a dependable option for everyday access tasks.