GSM Frequency Bands for Alarm Dialers
GSM Frequency Bands for Alarm Dialers
Europe & the USA operate on different Frequencies or Bands.
GSM 900 / GSM 1800 MHz are used in most parts of the world: Europe, Asia, Australia, Middle East, Africa.
GSM 850 / GSM 1900 MHz are used in the United States, Canada, Mexico and most countries of S. America.
A USA “Dual Band” Alarm Dialer or phone will not work in Europe, Asia, or Australia.
A Europe “Dual Band” Alarm Dialer or phone will nor work in the USA, Canada or Mexico.
A “Tri-Band” Alarm Dialler has three GSM bands 900/1800/1900 MHz or 850/1800/1900 MHz
A “Quad Band” Alarm Dialler supports the four main GSM frequencies so will work in both the USA and Europe.
Written by M60 GSM Alarm Dialer
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