User guide
67 Tempest®24 00 4-Channel Wireless Intercom System
Maximum Number of Collocated Systems
Factors that a ect the maximum number of systems that may be collocated in any given loca on include:
• The existence and extent of harmful interference caused by in-band external radiators.
• Number of BaseSta ons.
• Number of BeltSta ons per BaseSta on.
• Whether or not Accu-Sync or ZSync is being employed.
• Physical loca on of BaseSta on antennas (either on BaseSta ons or on Transceivers).
• Physical loca on of the BeltSta ons.
• Speci c hopping pa erns selected.
• Environment (wide open, refl ec ve, through walls…).
Favorable system condi ons include:
• Loca ons with li le or no interference from other 2.4G Hz devices will provide the best opportunity for a large
number of collocated systems.
• Proper use of Accu-Sync or ZSync resolves poten al desensing issues.
• Antennas of any par cular system should be separated from every other system’s antennas by at least 10 feet (3
meters) for best collocated system performance.
• BeltSta ons opera ng at similar distances from their respec ve BaseSta on antennas provide the best opportunity
for sa sfactory performance of a large number of collocated systems.
• Network Number con gura on should be set up to ensure each system’s hopping pa erns are con gured properly.
See the sec on on Network Number for more informa on.
• Environment can play a big role in RF system performance. Every loca on is di erent and has its own unique set
of challenges. Generally speaking, loca ons with very long paths to very refl ec ve surfaces tend to be the most
di cult for digital wireless communica on systems due to the prevalence of inter-symbol interference.
With all factors listed above being favorable, a maximum of 11 Tempest systems, each with ve BeltSta ons (in Normal
Mode), may be collocated with minimal or no user-perceived impact on system range or performance.
The addi on of one or more adverse condi ons will limit the number, e ec veness and range of collocated systems in any
given environment propor onally to the extent of the adverse condi on(s).