With the arrival in our country paid roads, the word transponder is heard everywhere. Drivers are increasingly asking a question - what is it? Let's deal with together, what is the transponder, where is it used and what is it needed for?
What is a transponder?
The transponder, this is an English word that means transmitter transmitter in translation. The transponder is a smart device that accepts and transmits signals. The circle of application of this device is quite large, but we began to talk about them when paid roads appeared in Russia. The main task of the transponder is to catch, decipher and respond to received signals.
What is a satellite transponder?
When configuring satellites, the installation of the transponder is valid. Since this device should automatically receive and send signals at a certain frequency. Satellite transponders are designed to be broadcast, from a satellite based on the specified frequencies. The television satellite establishes a certain number of transponders who work on receiving transmission due to massive antennas. Before the appearance of digital television, one transponder can only broadcast only channel.
What is a transponder in aviation?
The aviation also uses the transponder. It is built into the on-board computer and is used to identify vessel by the airport dispatcher. Before the flight, the dispatcher issues a four-digit code pilot, which is entered in the onboard transponder before departure. This allows the airport dispatcher to see the aircraft on the locator screen.
What is a transponder for travel on paid roads?
Initially, the entrance to the paid track was difficult. It was necessary to stop before the barriers and pay "in the window" for travel on a flat road. With the implementation of transponders, everything occurs automatically in electronic mode. The winner of the transponder now does not need to stop on the road. At the entrance to the paid section of the route, the device independently removes funds from the driver's account.
How does the transponder work for passing roads?
Many will ask how the transponder functions for passing roads. Everything is simple enough. Before paid section of the road there is an item for payment. Those who have no transponder are forced to stop to pay for the passage.
Drivers whose car is equipped with this device, simply choose a strip with a transponder and pass through it at a speed of about 30 km / h. During this time, the device installed on the bandwidth reads information from the transponder in the car, analyzes it, calculates the tariff according to the dimensions of the machine, writes money from the device. The task of the driver in time to replenish the account from which money will be charged.
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