Help & Support

What is Dual Band

Two frequencies are used in Belgium: 900 Mhz and 1800 Mhz. The combined use of the two frequencies is called dual band.

  • Using 900 Mhz you can cover more ground. That makes for fewer telephone towers.
  • Using 1800 Mhz you achieve a higher voice quality, but you need more towers.

All mobile operators in Belgium work on the dual band network, both on 900 Mhz and 1800 Mhz. This combines a wider coverage with a better sound quality. In order to be able to use dual band, you need a gsm mobile suitable for dual band, of course. There are some older gsm mobiles that only work on 900 Mhz or 1800 Mhz. You can check your telephone’s manual.

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