Comba CriticalPoint 700/800 MHz Class A Public Safety Bi-Directional Amplifier

by Comba

In stock. Ships in 24 to 48 hours.

The manufacturer of this product does not allow it to be sold online.

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Product Description

The Comba CriticalPoint Public Safety Class A Bi-Directional Amplifier (BDA) provides consistent signals for crucial First Responder communications.

The Comba CriticalPoint can be configured by our signal experts for any Public Safety installations. It is a a 700MHz/800MHz single or dual band digital channelized repeater that supports up to 32 channels per band. Depending on the size of the building, the BDA is offered in two versions, a .5W or 2W of downlink power per band to accommodate smaller buildings. The unit can be either AC or 48V DC powered depending on installation needs. It is fully compliant with IFC and NFPA (National Fire Protection Association) requirements.

Channelized uplink Automatic Gain Control (AGC) ensures minimum interference to cell towers and optimizes quality and coverage.

The CriticalPoint features comprehensive alarming capabilities, which supports all NFPA and IFC required monitoring and alarming, and also provides local and SNMP based remote monitoring. The built-in signal generator and isolation testing function make deployment by system integrators convenient and straightforward.


  • Single or dual band configuration (700MHz/800MHz)
  • Supports up to 32 channels per band
  • 2W output power for each band. ½W version available.
  • Channelized uplink (AGC)
  • Channelized uplink squelch supported
  • Web based GUI for simple configuration
  • Built-in mandatory isolation test to prevent BDA oscillation
  • NFPA compliant dry contact alarms
  • NEMA 4 enclosure

Comba products are commercial level, not consumer level products. Comba products cannot be installed, commissioned or put on air unless done so by an authorized, trained and certified Comba Systems Integrator. In certain cases, the Systems Integrator will need permission from appropriate authorities to put the Comba equipment on air. Any person or organization that puts Comba equipment on air without the appropriate permissions, and without the required authorization and certification by Comba Telecom will be in violation of FCC and/or other jurisdictional laws.



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