Transmitter Solutions 310LID22K3 Remote 310 MHz - 10 Pack

Compact 310 MHz Keychain Remotes for Linear® Mini-T Systems

The Transmitter Solutions 310LID21K3 (Firefly³ Series) 10-Pack delivers reliable and portable single-button transmitters designed to replace Linear® Mini-T Ladybug remote operating at 310 MHz. Each remote includes 8 DIP switches for secure, customizable coding and offers a lightweight, durable keychain design ideal for everyday use. Built for long-range performance, the 310LID21K3 ensures dependable signal transmission in residential, commercial, and gated community access systems.

Key Features

• Sold in packs of 10 for bulk installations or replacements
• 310 MHz operating frequency with stable, long-range performance
• Compatible with Linear® Mini-T Ladybug receivers and systems
• 8 DIP switches for secure, programmable access
• Compact keychain design for convenient portability
• Durable black case with white push button and LED indicator
• Two-year warranty included

Technical Specifications

• Model Number: 310LID21K3
• Frequency: 310 MHz
• Number of Buttons: 1
• Battery: 12V A23 (included)
• Number of Combinations: 256
• Operating Temperature: –20°F to 85°F
• Dimensions: 1-1/2″ × 2-1/8″ × 3/8″
• Weight: 1 oz each
• Case Color: Black with White Button
• Quantity: Pack of 10 remotes

Conclusion

The Transmitter Solutions 310LID21K3 10-Pack provides compact, reliable 310 MHz remotes for Linear Mini-T systems. Designed with 8-DIP switch security, keychain portability, and proven durability, these transmitters are a dependable solution for modern access control needs.