What does GBP mean? Gain–Bandwidth Product ( GBP or GBWP) is the product of the bandwidth and the gain at which the bandwidth is measured. GBP stands for “ Great British Pound,” formally known as the pound sterling. It is the official currency of the United Kingdom and several of its surrounding territories. What is the GBP? The GBP, or British Pound Sterling, is the official currency of the United Kingdom. With a symbol of £ and currency code GBP, it is one of the oldest currencies in the world, dating back to the Anglo-Saxon era. The pound is further divided into 100 pence (p).
