OUT DOOR UNITS (ODU) – ANTENNAS

 

The term ODU is used in Split-Mount Microwave systems where an Indoor Unit (IDU) is typically mounted in an indoor location (or weatherproof shelter) connected via a coaxial cable to the ODU which is mounted on a rooftop or tower top location.

Often the ODU is direct mounted to a microwave antenna using “Slip fit” waveguide connection. In some cases, a Flexible Waveguide jumper is used to connect from the ODU to the antenna.

The ODU converts data from the IDU into an RF signal for transmission. It also converts the RF signal from the far end to suitable data to transmit to the IDU. ODUs are weatherproofed units that are mounted on top of a tower either directly connected to a microwave antenna or connected to it through a wave guide.

Generally, Microwave ODUs designed for full duplex operation, with separate signals for transmit and receive. On the airside interface this corresponds to a “pair” of frequencies, one for transmit, the other for receive. This is known as “FDD” (Frequency Division Duplexing)

 

 

TRANSMIT-RECEIVE ANTENNA

 

ANTENNAS COMPONENTS

 

SATELLITE FREQUENCY CONVERTERS

 

SATELLITE DOWNCONVERTER

 

SATELLITE UPCONVERTER

 

ORTHOMODE TRANSDUCER (OMT)

 

FEED HORN

 

 

 

 

 

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