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Link 2HD Transmitter
Link 2HD Transmitter

COGENT Link-2HD Portable Microwave Transmitter – HD (H.264) “Two Box” Portable Transmitter in popular frequency bands to 11 GHz

Cogent’s Link-2HD is a ‘two-box’ / ‘split-box’ portable microwave transmitter comprising a control unit plus RF head connected by triax cable.

The control unit has a 70 MHz output connection through which it is possible to transmit the signal to the RF head via a triax cable in either DVB-T or DVB-T2 modes. Additionally, the CogentLink-2HD control unit is equipped with an L-band modulator to provide for both DVB-S and DVB-S2 modulation.

The Cogent Link-2HD control unit features H.264 encoding for 3G, high definition (HD) and standard definition (SD) signals. Based on ‘blue chip’ NEL encoding technology, the CogentLink-2HD offers the highest video quality with a minimum latency of just 33ms. For added security, the transmitted signal can be encrypted using BISS encryption.

This new generation transmitter accepts 3G/HD/SD-SDI, HDMI and analogue video input signals. SDI embedded, HDMI embedded, AES audio and analogue inputs are available as standard. User data or GPS data can be transmitted over the data channel.

ASI input and Transport Stream over IP inputs enables the Cogent Link-2HD to use this transmitter as a modulator. Additionally, the ASI and Transport Stream over IP outputs enables the user to use the control unit as a stand alone encoder.
The Cogent Link-2HD transmitter caters for DVB-T, DVB-T2, DVB-S and DVB-S2 modulation schemes. DVB-T enables compatibility with nearly all types of COFDM receivers. DVB-T2 modulation outperforms DVB-T modulation, and offers much higher data rates, which enables the use of either much higher data rates or a much more robust signal than DVB-T, making longer and more difficult links paths more easily achievable.

Key Features

  • Frequency range: 1.3 to 11 GHz
  • Terrestrial and satellite transmission
  • Highest video quality available with 420 and 422 pro files: 1080p/50, 1080p/60, 3G-SDI
  • Lowest Delay in H.264: 33 ms
  • BISS-1 and BISS-E encryption
  • DVB-T, DVB-T2, DVB-S, DVB-S2
  • 70 MHz output
  • Remote Control of BUC and SSPA (when used as a satellite exciter)


  • Remux
  • Metadata in SDI


  • Portable and point to point radio link
  • ENG
  • High performance Encoder
  • IP Networks

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