Compact and Reliable 300 MHz Remote for Linear® Multicode Systems The Transmitter Solutions 300MCD21K3 Remote is a compact, reliable, and versatile keychain-style transmitter designed to operate at 300 MHz. Fully compatible with Linear® Multicode 3060 and 3070 dip-switch receivers, this transmitter ensures seamless integration into your existing access control system. With 10 dip switches and over 1,000 code combinations, it provides secure and flexible access control. Sold in convenient packs of 10, it’s perfect for residential, commercial, or industrial applications. Key Features 300 MHz Operating Frequency: Designed for use with systems operating at 300 MHz for reliable performance. Multicode Compatibility: Can replace the Linear® Multicode 3060 and 3070 dip-switch remotes. Compact Keychain Design: Lightweight and portable with dimensions of 1-1/2" x 2-1/8" x 3/8" and weighing just 1 oz. 10 Dip Switches: Offers 1,024 unique code combinations for enhanced security. Durable Construction: Operates in temperatures ranging from -20°F to 100°F, suitable for various environments. Single Button Operation: Features a simple, user-friendly grey button for quick activation. Battery-Powered: Powered by a 12V A23 battery (included) for long-lasting performance. Two-Year Warranty: Backed by Transmitter Solutions for peace of mind. Technical Specifications Model Number: 300MCD21K3 Operating Frequency: 300 MHz Number of Buttons: 1 Dimensions: 1-1/2" x 2-1/8" x 3/8" Style: Keychain Battery Type: 12V A23 (included). Number Combinations: 1,024. Operating Temperature: -20°F to 100°F. Conclusion The Transmitter Solutions 300MCD21K3 Remote is a dependable and user-friendly access control solution compatible with Linear® Multicode systems. Its compact design, 10 dip-switch compatibility, and secure coding make it an ideal choice for managing access in residential, commercial, and industrial settings. Sold in packs of 10, this remote is a cost-effective solution for expanding or maintaining your access control system. Cut Sheet Installation / User Manual
