This recall involves Inovonics transmitters and receivers. These beige devices transmit or receive signals for emergency call systems in senior independent and assisted living communities, as well as security monitoring systems in commercial buildings and some luxury residences. Recalled models include EN1210, EN1223S, EN1233S and EN4232MR. The EN1223S and EN1233S wireless pendant transmitters allow users to push a button to summon assistance. “Inovonics” is printed on all the devices except on model EN1223S. The model number appears on a label on the back of the device. The date code is printed on the carton label and on the circuit board inside the device.