Product Specification Sheet APS1073

Rev. 06/2019

NHEA GB2 Hands-Free Intercom Station

Architects' And Engineers' Specifications

The hands-free type GB2 series intercom station(s) shall be Alpha Communications┬« / Golmar NHEA GB2, or approved equal. 

Station(s) shall be surface mounted on the wall (or desk mounted using optional #SOB-UNI desk adapter). Station(s) shall be connected using a simple 2-conductor non-polarized (loop) wiring. Station(s) shall feature electret condenser microphone for exceptional half-duplex digital voice fidelity. Station shall feature an electronic calling signal (selectable) and shall only protrude from the finished wall 0.75" inches (20mm).

Contractor shall observe all local and national electrical and building codes.

NHEA GB2 Hands-Free Intercom Station

The Alpha Communications® NHEA GB2 series hands free type intrercom stations use the GB2 technology to provide the most advanced intercom system available, for any multi-unit building up to 256 apartments and up to four (4) entry door stations.

These attractive stations conveniently mount right on the wall and are only 0.75" deep! Due to its advanced design the NHEA GB2 features big front buttons for call answering and door release.

  • Big front button controls for call answering (voice) and door release
  • Uses simple 2-conductor non-polarized (loop) wiring
  • Up to four (4) stations can be called from a single call button (or 16 in VILLA mode)
  • Easy Installation (optional desk mounting using SOB-UNI desk adapter)
  • Selectable ring tones
  • Rugged and Reliable. Simple to Operate
  • Low profile surface monitor protrudes only 0.75" from wall
  • Adjustable communication and ring tone volumes
  • Sound repeater output
  • Control of two (2) relay outputs at EL632/GB2B video module
  • Staircase light activation through FA-GB2/B power supply
  • Easy monitor programming using DIP switches
  • Additional light controls (requires SAR-GB2)
  • Can be inter-mixed on the same system with the VESTA2 SE GB2, VESTA7 GB2, PENTHA7 GB2, THERA GB2 monitors and/or other GB2 stations when used with the EL632/GB2B camera speaker/microphone module.
Dimensions: All NHEA GB2 stations are 3.15"W (81mm) x 4.35"H (111mm) x 0.75"D (20mm). All dimensions shown are outside dimensions for the portion of the station protruding off of the finished wall.
GB2 Wiring Information
The GB2's system uses simple 2-conductor non-polarized wiring making it ideal for new installations as well as for retrofit applications. All audio, video and data functions are fully digital and using the RAP-2150 (or equivalent) cable you can run up to 300 meters from the entrance panel to the furthest monitor.
Alpha Communications
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.