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![](../img/products/loghi_5tacche_tim_h3gwind_vodafone_iliad.png)
![](../img/products/IP_professional_5tacche_loghi.gif)
Series Professional
Serie Professional 1800
These multi-carrier repeaters are designed to provide 3 and 4G LTE coverage at 1800 MHz.
Together with 900 Mhz, they represented the first implementation of the 2G network and allowed operators to significantly increase the number of channels available thanks to this standard called DCS
Available in three powers of 23, 27, and 30 dBm respectively in the Professional Light 1800, Professional 1800, and Professional Power 1800 models.
Mainly dedicated to data transmission and voice traffic in VoLTE mode, the 1800 MHz frequency is used by all operators, including Iliad.
Compared to LTE 800, it propagates less but has greater performance and is therefore more widespread in urban areas, but it is also present in exurban areas close to cities.