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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. Cut Sheet Installation / User Manual
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🇺🇸 Ship from USA · On Agora since 2026
$171.99