RT-300/4E - digital radio extender.
Together with multiplexer MC-115T/5E provides transmission of any set of channels:
- Ethernet
- telephony FXS, FXO, E&M, 2 and 4 wire PM, telemetry and telecontrol RS-115T/5E.
- telemetry and telecontrol RS-232 / 422 / 485
- E1 (fractional).
in departmental and corporate networks (energy, mining sector, power structures, navigation services, etc.).
It is an economical alternative to the use of small-channel RRS of 400 MHz band:
- simpler (compared to 400 MHz RRS) procedure for obtaining authorisation for use. It is not necessary to obtain separate radio frequencies (as for 400 MHz RDS), as RT-300 uses common, allocated for radio extenders in the "Table of distribution of radio frequencies of the Russian Federation" radio frequency bands 307,5 - 308,0 MHz and 343,5 - 344,0 MHz.
- unpretentiousness to operating conditions;
- the possibility of removal of HF-block and antennas up to 1 km from the communication centre,
- lower cost.
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