Posts Tagged ‘BDA (bi-directional amplifier)’

Wireless Case Studies: Cellular Repeater and DAS

Friday, February 7th, 2014

Gyver Networks recently designed and installed a cellular bi-directional amplifier (BDA) and distributed antenna system (DAS) for an internationally renowned preparatory and boarding school in Massachusetts.

BDA Challenge: Faculty, students, and visitors were unable to access any cellular voice or data services at one of this historic campus’ sports complexes; 3G and 4G cellular reception at the suburban Boston location were virtually nonexistent.

Of particular concern to the school was the fact that the safety of its student-athletes would be jeopardized in the event of a serious injury, with precious minutes lost as faculty were forced to scramble to find the nearest landline – or leave the building altogether in search of cellular signal – to contact first responders.

Additionally, since internal communications between management and facilities personnel around the campus took place via mobile phone, lack of cellular signal at the sports complex required staff to physically leave the site just to find adequate reception.

Resolution: Gyver Networks engineers performed a cellular site survey of selected carriers throughout the complex to acquire a precise snapshot of the RF environment. After selecting the optimal donor tower signal for each cell carrier, Gyver then engineered and installed a distributed antenna system (DAS) to retransmit the amplified signal put out by the bi-directional amplifier (BDA) inside the building.

The high-gain, dual-band BDA chosen for the system offered scalability across selected cellular and PCS bands, as well as the flexibility to reconfigure band settings on an as-needed basis, providing enhancement capabilities for all major carriers now and in the future.

Every objective set forth by the school’s IT department has been satisfied with the deployment of this cellular repeater and DAS: All areas of the athletic complex now enjoy full 3G and 4G voice and data connectivity; safety and liability concerns have been mitigated; and campus personnel are able to maintain mobile communications regardless of where they are in the complex.