What is the Difference Between DCS 1800 and GSM 900?

If you are wondering “What is the difference between DCS 1800 and GMS 900?” then you have come to the right place. The two cellular standards have similar coverage patterns and use different carrier frequencies. The difference lies in the intensity of the signal that is emitted from these two standards. However, GSM 900 MHz antennas operate at twice the power output of DCS 1800 MHz antennas.

DCS 1800 uses the frequency band between 1710-1785 MHz and 1805-1880 MHz. It is used in 47% of 4G LTE networks worldwide. Among the two, GSM 1800 is the most common because it has the largest ecosystem of LTE user devices. Approximately 65% of all LTE-capable devices use the 1800 MHz band. Additionally, B3 is a core band for LTE systems in Asia, Europe, and other ITU regions.

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In contrast, GSM 900 is the same as DCS 1800, but has higher band widths. DCS 1800 holds two sub-bands, one in the 1710 to 1785 MHz range and one in the 1805-1880 MHz range. The ITU has designated the frequency bands for the two systems, making it easier for users to identify the best frequency bands. Hence, choosing the right band is critical to mobile phone coverage.

Which band works best for me? GSM operates on both 900MHz and 1800MHz bands, but the former is more advanced. The higher frequency band has a shorter wavelength, which means signals sent in that band will travel less distance. It is important to check that your device supports the bands used in the countries where you’re traveling. Otherwise, you’ll be left in a bind.

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