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Nokia 3310 (Hiden Relay)

A small secret transmitter capable of transmitting its GPS coordinates upon request via an "action relay" block. The antennas are not visible because they are turned off until the message is transmitted. An interesting thing for spy games and RP.

Logic of operation:
The RX antenna receives the signal. Set to 1m and turned on.
The TX antenna is transmitting a signal. Set to 50km and off.
The OFF timer turns off the TX antenna.
Action relay, after receiving a signal, turns on the TX antenna, sends a message through the Broadcast Controller and turns off the TX antenna through the OFF timer.

Since sending and turning off TX antenna occurs in 2-3 server ticks, the antenna does not have time to be displayed in the HUD.