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In: BTS installation and maintenance

Identifying passive intermodulation

PIM analysis

Passive intermodulation is nothing new. It has been an issue since the first commercial networks. In GSM, for example, whenever a PIM issue was present, network operators could easily re-allocate frequencies without affecting the service. With 3G and 4G, however, frequency re-allocation is no longer possible. PIM problems have to be dealt with. They have become even more important as…

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Suspecting PIM issues in your network? Let us help you find the root cause

passive intermodulation

More subscribers and higher data rates translate into a constant strain on networks, no matter where. But what could have happened when technicians are notified of low performance yet cannot find any defective components at the BTS site? The answer may be: passive intermodulation, or PIM. And, the source of this PIM problem could be a tiny metal flake in…

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