Perhaps youre a businessman who needs to stay in touch with youre clients even if youre traveling from one side of the world to another or maybe youre just someone who wants to be updated of all the news and hips around. So, youre looking for a perfect phone that suite your needs, are you not? But what type of frequency band will you consider?
In the US, GSM services use two frequency bands while there are also two different frequency bands that were used by them elsewhere in the world. Considering this dilemma, some of the notable mobile phone manufacturers like Nokia, Siemens, Ericsson and Motorola developed a phone that can work on all four frequency bands commonly called as quad-band phones.
So what about this frequency band? Let us try to understand more about it.
Cellular phones use radio waves to transmit conversations. These radio waves can be at different frequencies. Consider this interesting record of different frequencies used by different types of radio services.
GSM cell phones use frequencies within four different frequency bands.
850 MHz (824.2 – 848.8 MHz Tx; 869.2 – 893.8 MHz Rx)
900 MHz (880-2 –...
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