Q&A

Q:  How can Comba offer so much for such a low price?

A:  Comba is a prime manufacturer – we internally design and manufacture many sub components and sub assemblies that other OEMs outsource (PCBs, PCB insertion and wave soldering, metal chassis components, key passive components, power amplifiers, etc.).

This provides Comba with much lower cost – and in addition, internal manufacturing also allows us to maintain a higher level of quality control and better control over lead times

Q:  How does Comba CriticalPoint have such low AC power consumption?

A:  Comba utilizes High Efficiency Linear amplifier design – linear amplifiers draw significantly less operating current than conventional amplifier designs.

Q:  How does Comba CriticalPoint have such low weight?

A:  This is another advantage of High Efficiency Linear amplifier design – extremely low weight. It is also important to note that since the Linear amplifiers generate less heat, there is no need for cooling fans – this also contributes to lower weight.

In addition, Comba’s design team puts forth great efforts to ensure that there is no “over design” of any part of the CriticalPoint products, that could result in unnecessary extra weight or cost.

Q:  If I ordered a single band version and discover that I need the other single band instead, do I need to return the original unit and re-order the correct band version?

A: No – the CriticalPoint single band BDAs include a license to switch from one single band to the alternate single band. No additional purchases are required.

Q:  Does upgrading to add the second band require an onsite visit?

A:  Not necessarily – if there is network access via modem or Ethernet available, the CriticalPoint BDA upgrade license can be installed remotely.

Q:  Does making adjustments to the CriticalPoint product require an onsite visit?

A:  Not necessarily – if there is network access via modem or Ethernet available, the CriticalPoint BDA can be commissioned, adjusted, and monitored remotely. Modem/Ethernet access and SNMP v2/v3 are fully supported.

Q:  Is special battery back up equipment required for compliance with AHJ requirements?

A:  No – CriticalPoint will work with any standard commercially available UPS or battery backup system.

Q:  I see that the CriticalPoint BDA provides up to 32 channels for each band – can channels from one band be allocated for more than 32 channels in another band?

A: No – there is a maximum of 32 channels for each band deployed

Q:  I see that the CriticalPoint BDA claims 2W of power per band? Is this true, or is the 2W shared across both bands?

A:  The CriticalPoint BDA provides 2W of power for EACH BAND independently.

Q:  Does CriticalPoint provide any built in oscillation protection?

A:  Yes – CriticalPoint protects against oscillation in 2 ways:

First, there is a mandatory isolation test that must produce satisfactory results prior to being able to commission the BDA.

Secondly – in the event that something changes the isolation (and causes oscillation) while the BDA is in use, the CriticalPoint BDA will shut down and issue an alarm.

Q:  What is the warranty for the CriticalPoint BDA?

A:  All Comba products have a 3 year product warranty.

Q:  What approvals or compliance ratings does the CriticalPoint product carry?

A:  The CriticalPoint BDA is FCC and UL approved – and it is fully NFPA and IFC compliant.