Product Specification Sheet APS833

Rev. 07/2013

SF31ZKL Digital Pillow Speaker (for NC300II systems)

SF31ZKL (standard) for Zenith Digital TVs, includes direct channel access, digital volume controls and 2 light controls
SF31ZDL (standard) for Zenith Digital TVs, includes channel up/down, digital volume controls and 2 light controls
SF31-Series Pillow Speakers

The Alpha Communications® / TekTone SF31 series Pillow Speakers are used with the NC300II IR311 series and IR312 series patient stations. The pillow speakers provide call placement to the master station, as well as remote control for hospital-grade digital TVs (Zenith is standard; RCA and Philips are available by special order). When used in conjunction with the appropriate pillow speaker modules, the pillow speakers also supply two-way, hands-free communication with the master station, and automatic silencing of TV audio while the intercom is in use.

Push buttons are provided to call the nurse, plus TV power, channel selection up/down, Closed Captioning, mute and two light controls. Buttons are also provided for volume up/down (analog volume controls are available by special order), and for direct channel access (in some models).


  • UL® 1069 Listed
  • Oxygen safe
  • Fully sealed for easy cleaning
  • Flame-retardant (UL® 94V-0) high-impact plastic
  • Long lasting switches surpass UL®1069 requirements
  • 8-foot cord with 8-pin 8P8C plug and security clip
  • Provides pillow speaker intercom and light control (when used with the appropriate modules)
  • Special Order: RCA or Philips TV controls, analog volume control, 10-foot cord, earphone jack

Required Components
Architects' And Engineers' Specifications

Digital Pillow Speaker(s) shall be Alpha Communications® / TekTone SF31 series or approved equal, and shall be suitable for use in general or oxygen environments. 

The pillow speaker case shall be constructed of flame retardant high-impact ABS plastic. The pillow speaker cord shall be eight feet long and shall have an 8-pin 8P8C plug at the end. Each pillow speaker shall be provided with a security clip. 

Controls shall be provided for volume, nurse call, light, and television functions. The pillow speaker shall be capable of switching automatically from entertainment audio to intercom audio when used with the appropriate modules. The pillow speaker shall be electrostatic discharge (ESD) protected to over 12,000 volts.

The SF31 series shall be UL® 1069 Listed.

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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.