Product Specification Sheet APS724

Rev. 07/2013

SF502ES Wireless Wall Pendant Transmitter (TC500 Series)

  • Fully supervised wireless 900MHz EchoStream® transmitter
  • Large alarm button with alarm activation delay
  • Low battery warning before battery depletion
  • Flashing LED indicator during alarm activation
  • Field-replaceable, 3V lithium battery (model #BA502)
SF502ES Wall-Mounted Call Transmitter

The Alpha Communications® / TekTone SF502ES Wall Mounted Call Transmitter is for use with the Tek-CARE®500 (TC500) Wireless Emergency Call System. The SF502ES Transmitter has a sleek, smart design with simple, single-button activation. The SF502ES requires no wiring connections and operates on the 900 MHz frequency.

The built-in LED flashes with all transmissions, including supervision, so the user has a visual signal that the unit is transmitting. The SF502ES can be supervised. It can be mounted for fixed position signaling, and also includes a neck cord for use as a pendant. The battery is a field-replaceable long-life 3V lithium type, and is included.


Height: 3.0" (77mm)
Width: 1.6" (41mm)
Depth: 0.72" (19mm)

Weight: 1.7 oz.
Power: Two (3) 3V Lithium batteries (included)
Battery Life: 3-5 years (typical)
Required Components

Tek-CARE500 (TC500) Wireless Emergency Call System

Architects' And Engineers' Specifications

The wall-mounted call transmitter(s) shall be Alpha Communications® / TekTone SF502ES or approved equal. It shall use the 900 MHz frequency for signal transmission, and shall include a transmission indicator LED. No physical wiring connections shall be required to transmit a call. The SF502ES shall also include a neck chain and a 3V lithium battery. 

The transmitter shall be no larger than 3.0" x 1.6" x 0.72".

TekTone® has designed the Tek-CARE®500 (TC500) to work as a system. Its NC501ES Master Station Computer has been carefully designed and matched to work with TC500 wireless and wired peripherals. TekTone® will not warrant or support components of TC500 that are purchased separately unless the components are add-ons to previously sold systems. TekTone® will also not warrant or support a system that is a mix of TekTone® and Non-TekTone® parts, unless prior written permission has been obtained. In order to track our systems and to inform facilities of software upgrades, full site information (site name, address and phone number) will be required when ordering. Site information and NC501ES warranty number will also be required when requesting technical support.

Alpha Communications
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: (631) 777-5500 • Fax: (631) 777-5599
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.