Despite the close number, GSM 850 is not compatible with GSM 900 used in Europe and Asia. A phone that only has GSM 850 cannot work on a GSM 900 network, nor vice-versa.
2G bands GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 (dual-SIM model only) 3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 ...
An arduino based smart irrigation system with GSM SIM900 GPRS module the helps a farmer know exactly what is going on in the farm incorporated in the design is also a water level indicator that ...
By supporting all four bands, a quad-band phone is compatible with most GSM networks worldwide. The four bands include the 850 and 1900 MHz bands - used in the Americas - and 900 / 1800 ...
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