Guardian Systems offers the top of the line systems for nurse call and wireless emergency call systems in Middle Tennessee. Our UL Listed TekTone nurse call systems meet the needs of hospitals, nursing homes, and assisted-living facilities. Also known as call bell or call light systems, nurse call systems are the communication link between residents or patients and caregivers. Our systems includes state of the art features, plus simplified CAT5 wiring, updated resident/patient stations, and a corridor light with programmable colors.