The Comba ComFlex DAS is a modular, multi-carrier, multi-technology system that offers flexible & reliable wireless service coverage for both indoor and outdoor environments. The foundation of the system is the Head End Unit/Master Unit, a compact, 19″ rack mountable tray that holds the Controller Unit, Fiber Optical Units and can hold up to 8 RF modules. The unit can be fed RF through multiple of sources including BTS (Base Station) through Comba’s ACU solution, Small Cell as well as a base station’s over-the-air RF signal received through a donor antenna mounted on the roof.

The Master Unit can support 8 sources and feed up to 8 remote units. If the venue is larger and more than 8 remotes units are required, the system can take support an additional 8 remotes through adding an additional 19″ rack mounted Fiber Optical Expansion Rack. Either Master Unit can be configured and controlled through physical tethering or remotely using the simple, easy to use web interface.

Comba 6100 Head End Unit


  • Modular DAS system with superior PIM performance w/4.3-10 RF connectors
  • Independent coupling port for uninterrupted network testing
  • Modular Master Unit supports flexible field upgrade and maintenance
  • Independent gain control for each RF source
  • High MTBF and low noise design with modular PSU and convection cooling
  • RF module supports both simplex and duplex
  • Compact, slim Remote Unit for OPEX saving
  • Supports multi-operator and mixed mode application
  • Optical link auto gain control
  • Web based GUI for intelligent commissioning and configuration

Electrical Specifications:

 Power Supply VAC 100 – 240 / 50 – 60Hz
 Power Consumption (approx.) W 85
 Operating Temperature oC 0 – 40
 Operating Humidity % ≤ 85
 Ingress Protection IP30
 Enclosure Cooling Convection
 Installation Type 19″ Rack

Mechanical Specifications:

 Product MU01-RACK-E02 Chassis MU01-PSU-A92E01 Power Supply MU01-FOU-SABFOP6 Optical Unit
 Dimension (in/mm) 7” x 19” x 15.7” (178 x 482 x 400) 5.5” x 2.5” x 15.7” (140 x 63 x 400) 1.5” x 7.3” x 11.8” (37 x 185 x 299)
 Weight (lb/kg) 24.3 / 11 5.5 / 2.5 4.4 / 2
 Connector Type N/A N/A SC/APC
ComFlex DAS RF Modules

ComFlex DAS RF Modules

At the heart of the DAS system is controlling and distributing the RF signals. The Master Unit can take up to 8 RF modules to customize the wireless ecosystem. Just simply plug the unit in and make the connections to the remote units.


  • Available for all North American bands.
  • Simplex/Duplex supported
  • Input power level by LED display
  • Independent gain control
Comba Comflex ACU DAS Remote Unit

ComFlex DAS Remote Units

The Remote Units are self contained and come in both low/medium power 2W/5W
or high power 40W units, depending on your specific design requirements.


  • Delivers 2 watt (LRU) / 5 watt (MRU) / 40 watt (HRU) per band
  • Supports all North American bands
  • High linearity power amplifier
  • Compact size and light weight:
    – MRU: 26.0”x9.8”x6.3”, 55lbs
    -MRU: 26.0”x9.8”x6.3”, 55lbs
    – HRU: 53.1” x 8.9” x 12.4”, 154.3lbs
  • Low power consumption:
    – LRU: 200W
    – MRU: 200W
    – HRU: 1400W
  • Convection cooling with NO noise (2W/5W)
  • Modular power supply unit ComFlex (5W)

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