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Business Profile & Needs

Typically, newly constructed buildings do not address mobile coverage issues well.  Coverage problems are well reported across the world and cause particular issues around health and safety in areas like basements, car parks and lift wells.

Cel-FI AU and NZ Distributor Powertec Telecommunications, commissioned partner AETV Systems to complete cellular coverage improvement works on a new 2 storey specifically designed Government building. With virtually no reception on the lower floor and sporadic connection on the upper level depending how close one stood to the windows. Due to the nature operations, many rooms were designed with acoustic products incorporated in to the fabric of the walls and structure that prevented the penetration RF signal.

They were tasked with providing the facility with Telstra 3G and 4G RF Signals, ensuring adequate signal levels were achieved throughout the building including crucial departments.

Product/s Used

  • 6 x CEL-FI GO Stationary Units

Legal and approved CEL-FI GO is a one box indoor coverage solution for Telstra’s Next G® and 4GX networks operating on 3G 850Mhz or 4G 700/1800 bands. It is designed to dramatically boost voice quality and increase data speeds for in building applications.

CEL-FI GO offers a more flexible installation over other CEL-FI models due to the abilty to run cables to where the signal is needed most. By not having a wireless link between two boxes GO can operate in areas that are saturated with Wi-Fi.

  • 3 x Blackhawk LPDA 698-2700 12/14dBi Antennas

Operating on all 3G and 4G frequencies in Australia and abroad, this high grade cellular antenna can be used in a range of residential, commercial, and industrial mobile broadband applications on any mobile network. This is the ideal external antenna for CEL-FI repeater systems.

  • 2 x Blackhawk Collared Roof Mast 2 M

Blackhawk’s range of masts are ultra-heavy duty and built tough for the Australian environment.  50mm collared roof masts are used when you need to install high gain or heavy antennas, where the standard 25mm roof masts won’t support the load.

  • 11 x Pulse Larsen DAS Antennas Ultra-thin

This Industry leading -155 dBc PIM compliant DAS antenna features an ultra-thin, see-through design that allows the product to be nearly invisible when mounted yet provides industry leading increases for in-building coverage and capacity.

The antenna housing’s translucent design makes it ideal for deployment in hotels, convention centres and other venues where aesthetics are of primary importance.

Business Benefits

Clear and reliable mobile signal in all areas of the building for 3G and 4G on all floors.

The lower floor coverage went from zero signal to -55 to -65 db. The upper floor 3G coverage  achieved a steady -65 – -70 db on the upper floor after install.

The Solution



The solution from Powertec has provided clear 3G/4G signal throughout our 2 storey office, solving all signal dropout issues. The installation by AETV Systems, was efficient and professional.

Powertec provides full network design