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Digital mini repeater promises better coverage

Posted: 17 Feb 2011     Print Version  Bookmark and Share

Keywords:digital mini repeaters  oscillation protection algorithm  digital filtering 

Providing a 'tri' and 'quad' band combination, Axell Wireless's DIGI mini allows any combination of 2G, 3G or 4G services to be run on any cellular frequency band, thanks to its digital filtering capability.

According to the company, the dual-band DIGI mini is designed for mobile operators keen on providing indoor coverage to both SMEs and major enterprises.

Through its recently launched first family of digital mini repeaters, Axell Wireless will thus begin providing 2G, 3G and 4G coverage in all cellular frequency bands based on its patented DSP technology. With some 80 per cent of mobile phone traffic originating from within buildings and the rapid growth of data applications, the need for strong coverage levels for 3G and 4G services is now greater than ever.

Available in dual-band and single-band variants, the units can provide a 'tri' and 'quad' band combination if required. European frequency bands available include 900MHz, 1800MHz, 2100MHz and 2600MHz, but any combination of 2G, 3G or 4G services can be run on any band, thanks to Axell's digital filtering capability.

The company claims that with further spectrum allocation at a premium, many operators are now looking to 're-farm' existing frequency bands, running different services within one band (e.g. GSM and UMTS in the 900MHz band). The DIGI mini fully supports this application without the cost associated with deploying multiple repeaters.

The DIGI mini provides 20dBm per band output power, enabling coverage in buildings up to 2,500sq m. It provides up to 6 sub-band filtering per unit and contains an 'oscillation protection' algorithm, meaning the repeater will never go into oscillation.

The product can be installed easily on a wall or in a rack, and can also be controlled using simple auto configuration settings accessed via a web interface. It can be activated and fully functional within a few minutes. For integration into a network operations centre, SNMP support is also provided. Connection to the device is via Ethernet or an optional wireless modem.

- Phil Ling
  EE Times

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