The SF525UL and SF525/2UL Universal Contact Wireless Transmitters are for use with Tek-CARE ® 500 Wireless Nurse Call System. The SF525UL and SF525/2UL transmit signals at the 900 MHz frequency. They send supervision signals to the Tek-CARE ® 500 system at a selectable interval, making it ideal for both high security installations and residential installations. The transmitters are for use with any standard NO or NC contact (15 msec duration) or sensor. The SF525UL includes one selectable NO/NC input; the SF525/2UL include a selectable NO/NC input, plus an NC-only input.

The SF525UL and SF525/2UL require no physical wiring connections to transmit an alarm call and are powered by a 3V lithium battery. Each has a tamper-proof case and includes a mounting bracket.