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TekTone SF520UL Tek-CARE Door/Window Egress Transmitter

TekTone SF520UL Tek-CARE Door/Window Egress Transmitter

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The SF520UL Door/Window Egress Transmitter is for use with Tek-CARE®500 Wireless Nurse Call System. The SF520UL transmits signals at the 900 MHz frequency. It sends supervision signals to the Tek-CARE500 system at a selectable interval, making it ideal for both high security installations and residential installations.

The SF520UL includes a built-in magnetic reed switch in a tamper-proof case. The magnet supports a 5/8" gap, and the unit supports an NO or an NC external contact. The SF520UL requires no physical wiring connections to transmit an alarm call and is powered by a 3V lithium battery. A mounting bracket is also provided.


  • Dimensions: 3.5"H × 1.7"W × 0.9"D (89 mm × 43 mm × 23 mm)
  • Construction: Attractive, flame retardant ABS plastic
  • Distance: 10 feet maximum between transmitter and external switch
  • Contact Closure: 1.5 seconds minimum
  • Battery: 3.0V Lithium (BA505)
  • Environment: 0°–60°C


One (1) year manufacturer's warranty plus an exclusive one (1) year BuyTekTone.com extended manufacturer's warranty.*