TOPEX Bytton (HSPA+ / LTE)
ByttonLTE(full)_genericUsermanual_sw306FAS_revN.1.docx
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the most advanced variants, with full complement of features: two serial interfaces, two SIM cards, also
FXS interface for analog fixed telephone and USB connection.
The serial ports labeled “SER1” and respectively “SER2” are available for connections to legacy
equipments. The RS-232 interfaces feature RJ-45 connectors on the front panel. To the right of the
serial connectors, there is also a slot for USB 2.0.
Figure 1-2: Photo of Bytton LTE with two serial ports, FXS phone interface, two SIM cards, Wi-Fi and slot
for USB.
Note: This picture may not be identical to the aspect of your own Bytton router!
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Antenna diversity versions.
These Bytton equipments may feature with two connectors for MOBILE antennas and also two connectors
for Wi-Fi. Thus it features up to four antenna connectors, labeled MAIN and respectively AUX both for the
mobile data network and for the embedded Wireless Access point:
Both the LTE modem and the embedded Wi-Fi access point of Bytton LTE have MIMO capabilities,
meaning they can operate with two antennas for achieving diversity (higher bandwidth or higher tolerance
to perturbations, thus achieving increased capacity and / or robustness). There are several sub-variants
of MIMO Bytton equipments available, for instance, as you can see in the photo, it may have two antenna
connectors for the mobile data network, but only one connector for the Wi-Fi antenna!
Figure 1-3: Drawing and photo of antenna diversity: up to two antennas for Mobile and Wi-Fi.
The advanced variants with FXS port and respectively with USB slot, and also the special
version with up to four antennas, are available only upon special request!
In order to ensure a correct installation / configuration and a good operation of the Bytton LTE equipment,
the manufacturer strongly recommends you to study this manual before attempting operation.
