The OMB digital portable system has been designed for TV stations that want high quality in events transmission. Transmissions from 20 to 30km can be easily made by using this system.
OMB digital portable system is composed by:
- Digital modulator with analog audio and video inputs, and also ASI and digital video inputs.
- One stain steel outdoor box with forced cooling which contains a conversion unit used for the channel input conversion to the 2GHz band.

The digital mobile unit system consists of the following elements:
‐ Digital Mobile Unit Modulator
‐ Digital Mobile Unit Transmission Head
‐ Digital Mobile Unit Re-emitter
‐ Digital Mobile Unit Reception Head
‐ Digital Mobile Unit Receiver
‐ Reception and Transmission Antennas 

OMB has developed this system to transport the digital channels of the TV band (the reserved ones for nationwide broadcasting) from a place with perfect reception up to the place where the cable network head-ends are, so that these operators can include the new Digital Terrestrial Television channels in the services offered to their users.