Top Sec Technologies is a leading intercom installer in Kenya. Clients have trusted us to advice, supply and install top-notch intercom systems for years. An intercom (intercommunication device), talkback or door phone is a stand-alone voice communications system for use within a building or small collection of buildings. Intercom allows a person speaking into a microphone to be heard on a speaker by people in a different room or area. They offer added security measure and convenience to the client. An audio and video intercom system can help secure your property by allowing you to visually confirm,