Spec Sheet Preview: 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&nb …