Digital Video Links (DTV LINK product family)
The DTV-LINK family of products includes fixed and portable Digital Video Point-to-Point links designed to transport digital TV Programs (ASI or SDI formats).
The links operate in the frequency bands from 2 to 30 GHz and can be used at line-of-sight distances of up to 50 miles (80 Kilometers), depending on options such as frequency band, output power, modulation format and antenna size.
The baseline link configuration can transport from one to six video programs simultaneously multiplexed in a single data stream. The radios can also transport multiple data streams for applications requiring transport of more than six SD (Standard Definition) or HD (High Definition) video feeds.
Input format options include ASI, SDI, NTSC / PAL baseband video and two audios or modulated digital video.
The radios are designed to accept any modulation format, including 8VSB, DVB-T (OFDM AND COFDM) and DVB-C with 16QAM, 64QAM and 256QAM.
Typically a link will have the same output format as the input, but if required, a different output format can be provided. Frequency agility is also available in most models.
Each link consists of an indoor unit connected via cable to an outdoor unit. The outdoor unit connects directly to the parabolic dish antenna.
The links are available in a variety of options, which include the operating frequency band, input signal format, type of modulation for transmission, number of TV programs, transmitter power, antenna size, and operating voltages.
|Distance||Frequency Band||Model Number|
TVLINK : Low Cost Point-to-Point Analog Video Link
The TVLINK product family consists of portable TV Video links designed to transport high-quality video and stereo audio channels from one point to another.
The system works at line-of-sight distances of up to 50 miles (80 Kilometers), depending on options such as operating frequency, output power and antenna size. The baseline system operates in the license-free 5740-5860 MHz band but other frequencies of operation are available upon request.
The system transmits NTSC or PAL video channels with stereo or mono audio. Standard operation is for one channel only but it can be configured to carry from one to six video channels simultaneously.
The link includes two parabolic dish antennas which provide a very directional link with maximum rejection of unwanted interference from nearby transmitters.
OMNILINK: Low Cost Multipoint- to-Point Video Link
The basic system operates in the unlicensed 5740-5860 MHz ISM band and can be used at line-of-sight distances of up to 15 Kilometers, depending on options.The system transmits one NTSC or PAL video channel with stereo or mono audio. Simultaneous transmissions of multiple channels from one of from several mobile TV stations to the same central base station are possible because each transmitter can be tuned to any one of several channels within the band.
The link has an omnidirectional receive antenna so that signals can be transmitted from anywhere within line of sight of the receiver without the need to point the receive antenna towards the transmitter. The transmit antenna is provided with mounting hardware to facilitate antenna pointing.
The OMNILINK Video Link is a low-cost, high-quality video link ideally suited for applications such as mobile TV news-gathering systems.