The Marantec 165095 2-Channel Micro Keychain Transmitter is a compact, two-button garage door opener remote designed for Marantec systems. It allows control of two separate Marantec operators or functions from a pocket-friendly key fob, making it a practical replacement or spare for everyday residential use. Built on Marantec’s 315 MHz digital radio platform used in North America, it works with compatible Marantec garage door openers and external receivers that operate on 315 MHz, such as many Synergy-series operators. It is not cross-compatible with Marantec systems that use other frequencies (e.g., 40 MHz or 433.92 MHz European models) or with non-Marantec brands.
This micro transmitter is powered by a 3V coin-cell battery (commonly CR2032) and features simple programming through the opener’s learn procedure on the head unit; it can also be paired by copying credentials from an existing working Marantec 315 MHz transmitter using the brand’s programming connector. Typical applications include residential garage doors and gates equipped with Marantec 315 MHz receivers. For best performance, program and test the remote within range of the operator, follow battery polarity markings, and avoid mixing with incompatible frequency systems to ensure reliable operation and security.






