LowCost Interlock This interlock company is best suited for individuals who are comfortable using a smart phone for day to day activities. Device support is usually done remotely, and most documents are provided digitally. Their interlock handset utilizes a “straight-blow” test. Meaning there is no humming or inhaling when providing a sample. If required by the state, LowCost Interlock devices may be installed with a camera. Specific questions? Contact us directly. Ask us About LCI LowCost Interlock: 844-387-0326 Tramel Solutions: 479-747-0902 Available Handset Training Video