Product Specification Sheet APS1038

Rev. 12/2016

WPT535S Wireless Pendant Transmitter

WPT535S Wireless Pendant Transmitter
  • Fully supervised wireless 900MHz transmitter
  • Large activation button
  • Low battery warning before battery depletion
  • LED for call assurance
  • Field-replaceable, 3V lithium battery
WPT535S Wireless Pendant Transmitter

The Alpha Communications® WPT535S Single Ondition Wireless Pendant Transmitter features the great range and reliability of 900 MHz in a small package. 

This pendant has a smart design with simple, single button activation. LED flashes on all transmissions, including supervision, so the user is reassured the unit is operating. 

The WPT535S comes with a belt clip that can be converted to a belt loop. It can also be easily mounted for fixed-position signaling

The WPT535S features a fully supervised RF link to ensure reliability. The built-in LED flashes with all transmissions, including supervision, so the user can see the transmitter is still functioning. The battery is a field-replaceable long-life 3V lithium type, and is included.


Height: 3.0" (77mm)
Width: 1.6" (41mm)
Depth: 1.0" (26mm) 

Power: One 3V Lithium battery (included) 
Battery Life: 3-5 years at 5 activations/day
Range: 1 mile, open field (range can be limited by AlphaEntry™ software)
Environment: 0 degrees C to 60 degrees C (32 degrees F to 140 degrees F) 
Required Components

AlphaEcall (200 Series) or AlphaEntry (v5.5 or later)  Wireless Emergency Call Systems

Architects' And Engineers' Specifications
The wireless pendant transmitter(s) shall be Alpha Communications® WPT535S 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. When activated, the WPT535S pendant shall send a signal which can trigger a relay activation or other system function(s). The WPT535S shall also include a belt loop and a 3V lithium battery. The transmitter shall be no larger than 1.6" x 3.0" x 1.0".

Alpha Communications® has designed the AlphaEcall 200 series and AlphaEntry (v5.5 or later) to work as a system. The Master Stations have been carefully designed and matched to work with these wireless and wired peripherals. Alpha Communications® will not warrant or support components for these systems that are purchased separately unless the components are add-ons to previously sold systems. Alpha Communications® will also not warrant or support a system that is a mix of Alpha Communications® and Non-Alpha Communications® 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 WNC510 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.