Technika a trh

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6.9.2023

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rail transport

of data per day, while the remaining 5%

transfer around 13 GB. "The consumption

of data is not related to the number of

passengers, but to their needs and the development of technology, for example,

with higher resolution of the films being

watched," Krutina adds. Therefore, AMiT

expects a significant increase in the number of users with higher data transfer rates

in the coming years.

The new AMiT routers with 5G and WiFi

6 technologies in the vehicle units allow

for up to 12 SIM cards. The transmitted

signal is thus more stable and up to three

times faster. "This means that if one of

the operators has an outage, the passenger won't even notice it. The unique bonding technology replaces this outage

with a signal from another provider. At

the same time, thanks to the WiFi 6 technology used, individual passenger devices

do not interfere with each other," explains

Aleš Krutina. Another advantage is the

possibility of implementing a SIM card of

a foreign operator for long-distance interstate connections, and a built-in GPS receiver is used to switch at the border.

"It's not only about carrying WiFi for passengers. Today's coaches draw online data about themselves (telemetry data) and

they can also send data," Krutina explains.

For example, a coach arriving at a railway

New routers and AP units by AMiT

yard will download information about the

future route. Or it is able to receive information en route about the connections of

other trains at stations and inform passengers about this via information systems.

With the introduction of 5G technology

and the new Wifi 6 wireless standard on

railways, the next logical step, according

to Aleš Krutina, should be the gradual introduction of Wi-Fi connectivity in public

transport, for which the solution developed by AMiT is also suitable.

Technical data

Frequency: 3-30 GHz

Aerials: MIMO, MMWaves

Speed: above 1 GB/s

WiFi 6

Frequency: 2.4 and 5 GHz

Access: OFDMA

Aerials: 8×8 MIMO

Max speed: 9.6 GB/s

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