Siklu Microwave link for Kalsi Group

UK building plastics company Kalsi, approached Affinity Communication System to upgrade its existing microwave link between its Head Office building, and its new plastics plant in Albion Road, in the inner city Sparkhill area of Birmingham.

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Why this Siklu Microwave link?

An upgrade was required to carry CCTV images over the link, and although an initial bandwidth requirement of 1Gbps was discussed, Kalsi purchased a full 2Gbps system. The bandwidth delivered by the Siklu microwave link was full duplex and with sub 5ms latency, dramatically increasing their previous capacity.

After some initial survey work and installation planning, the two day installation was commenced. A long cabling run, through the existing factory floor in the Head Office site, to reach a high point at the top of an on site silo was completed first.

The remote end at Albion Road was a much shorter cabling run, but care was needed to mount the antenna correctly and brace it securely off the metal clad fascia that is typical of modern warehouse and office accommodation. Accurate and stable alignment being vital for the Siklu Microwave Link mmW systems to maintain reliability and performance.

Kalsi Group had their own access platforms on site which Affinity were given permission to use after submitting the necessary paperwork. They were used for all external work and to align the small Siklu Microwave link 15cm antenna’s correctly achieve the target ( RsL) and fade margin. Final commissioning prior to going live was then completed and test results recorded.
The link is now in daily active service, and Affinity are retained on a two year full parts and labour service support contract.

About Affinity

Affinity are an Independently owned, technology company founded in 2001 by entrepreneurial director’s. Affinity provides wireless bridge and wired network infrastructure for clients throughout the UK. Our team of expert people provide the consultancy, design and support services our clients need to make technology work in their business. For more information visit

About Kalsi Plastics

Kalsi Group has established itself as manufacturers and suppliers of High Quality Maintenance Free Plastic Building Products. The vast range manufactured by the group compromises of Seven Rainwater Systems, Soil Waste Systems in Ring Seal and Solvent Weld. Underground Drainage, Sewer Systems and PVC-U Cellular Foam Building Products.With our In House expertise in Extrusion and Injection Moulding all products are produced to British Standards and above, using the latest machinery and tooling. For more information please visit: