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DVMO TX

The dVMo-T2 is the standard transmitter for the dVMo system. It is an integrated encoder and COFDM transmitter with video, audio and data inputs plus transport stream link in and out. UHF and SHF versions are available, and it can deliver up to 200mW of RF power to the antenna.

It accepts composite video, dual mono (or stereo) analogue audio, and low-bit-rate RS232 serial data inputs, and combines them into a single digital data stream called a transport stream which is transmitted over air to the receiver.

The dVMo-T2 can also add up to nine other transport streams (typically up to four) to its own for transmission, increasing the link capacity to many times the original number of inputs. This adding of streams together is sometimes known as chaining.

The low video delay (typically 50ms across a dVMo link) contributes to a system which can be used for remote control applications.

Casual interception of data is prevented by the use of non-standard encoding, but to prevent more determined interception, the transport stream is encrypted using the ABS encryption system with 2 passwords used to generate a 32-bit key.

This system can be upgraded to a 128-bit or 256-bit key system (AES) either at the time of ordering or retrospectively on existing units if required.

The use of COFDM modulation makes the signal more robust in the presence of interference and multipath reception in difficult locations, and results in a much greater usable range than might be expected for the RF power output.

The unit’s finned enclosure dissipates heat generated without the need for any external heatsinking.

  • Secure video, audio and data
  • Integrated encoder
  • Low video delay (50ms)
  • Choice of frequencies
  • Password-protected configuration
  • On-screen diagnostic display
  • Simple to set up from a PC
  • 200mW output

It is our aim to never promise what we cannot deliver.

 

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