m-e modern-electronics Door phone 622524 - m-e modern-electronics FS 2.1, The m-e modern-electronics FS 2.1 GmbH is an in-house intercom system designed as a door phone, operating on a 446 MHz radio frequency. It features a communication range of up to 2000 meters, making it suitable for extensive properties. Ideal for residential and commercial use, this intercom system facilitates convenient and secure communication. m-e FS 2.1 Door Phone Radio 446MHz 2000m Black Wireless Intercom
