Best SDI To COAX Converters

SDI and Coax Basic Information

The increasing popularity of SDI signal caused an increased demand of audio/video installers for converters and encoders of SDI signals as well as devices for transmitting these signals. The ability to send with coaxial cable over 100m (HD SDI signal), or 300m (SD SDI signal) video signal along with embedded audio, no troublesome HDCP security and growing number of inexpensive devices processing these signals causes the use of the SDI standard even on the CCTV market. In the Thor Broadcast repertoire, customers use a number of useful devices for both converters and transmitters supporting any devices that require this type of interface. The differences in the high resolution SDI converter available on the market relate mainly to the capabilities of HD-SDI (720p / 1080i) and 3G-SDI (1080p) signals. 

Coaxial (uniaxial) is the term used in the geometry for matching axes of rotation of three-dimensional elements. For example, a coaxial cable consists of a center conductor and the surrounding (coaxial) shielding. The coaxial cable is different from other shield cables because the dimensions of the cables are controlled to provide a precise, constant gap between the conductors, which is necessary for efficient operation as a transmission duct. The advantage of the coaxial design is that the electric and magnetic fields are limited to a dielectric with little leakage outside the shield. However, on the outside of the cable, the magnetic and electric fields are largely protected against interference of the signals inside the cable. Cables with larger diameters and cables with multiple covers have less leakage (losses). Thanks to this feature, the coaxial cable is a good choice for carrying weak, and very dense digital signals that cannot tolerate interference from the environment or stronger electrical signals, when it is not allowed to emit radiation or coupling with neighboring structures or circuits.

Best SDI to Coax Video Signal Converters 

1- 4 SDI to QAM Modulators and IPTV Streaming Encoders

1 Channel

2 Channel

4 Channel

CATV SDI modulator creates 4-channel Cable TV coaxial output and sends IPTV video audio over the IP network

Features

• Any SDI Input up to 3G-SDI @1080p60
• ASI Input SPTS or MPTS up to 120 Mbps
• Fully Network Managed through browser
• QAM-256/64 RF Output up to 4 Adjacent
• IPTV Output Unicast or Multicast IGMP UDP,RTP/RTSP
• ASI Output with multiplexer cherry picking 
• #1 Warranty on the market - 2 years all inclusive
• Low Latency available 300/500/800ms delay via different modes - IP will always be closer to 800ms due to the decoding (these values are end to end, not just the encoding speed)
• Free Live Tech Support from Los Angeles, CA

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1- 4 SDI to ATSC Modulators and IPTV Streaming Encoders

1 Channel

2 Channel

4 Channel

This Device is a Combination Encoder Modulator for converting 1 to 4 channels of full HD video in broadcast freindly SDI format to real time ATSC 8VSB modulated television channels.

Features

• Broadcast up to 4 HDSDI sources as North American ATSC Antenna & IPTV Channels.
• Input any SDI source up to 3G-SDI @1080p60
• ASI Input SPTS or MPTS up to 120 Mbps
• Fully Network Managed through browser NMS gui
• ATSC 19Mbps 8VSB RF Output 4x carriers
• IPTV Output Unicast or Multicast IGMP UDP, RTP, RTSP
• ASI Output with multiplexer cherry picking 
• Integrates fully independent encoders with a multiplexer and modulator
• Modulates up to 4 adjacent 8VSB carriers compatible with ATSC format
• Supports full HD 1080p60 input & encoding from any HD-SDI digital video source
• Each encoder independently configured: supports all standard HDTV resolutions
• IPTV output on second network port in UDP, RTP,RTSP IGMP Multicast or Unicast format
• DVB-ASI output on mirrored BNC terminals for use in broadcasting systems
• Fully network managed device with all settings configurable through web browser
• Low Latency available 300/500/800ms delay via different modes - IP will always be closer to 800ms due to the decoding (these values are end to end, not just the encoding speed)

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1-4 SDI to DVB-T RF Modulators and IPTV Streaming Encoders

1 Channel

2 Channel

4 Channel

This Device is a Combination Encoder Modulator for DVB-T channel generation from 1 to 4 HD-SDI Inputs at 720 or 1080 line resolution.This unit Converts all inputs to DVB-T standard full HD television channels.

Features

• QPSK QAM-16/26 RF Out up to 4 Adjacent
• IPTV Output Unicast or Multicast IGMP UDP,RTP,RTSP
• ASI Output with multiplexer cherry picking
• Any SDI Input up to 3G-SDI @1080p60
• ASI Input SPTS or MPTS up to 120 Mbps
• Fully Network Managed through browser
• Integrates fully independent encoders with a multiplexer and modulator
• Modulates up to 4 adjacent QPSK, QAM-16/64 carriers with up to 28 Mbps each
• Supports full HD 1080p60 input & encoding from any HDMI digital video source
• Each encoder independently configured: supports all standard HDTV resolutions
• IPTV output on second network port in UDP IGMP Multicast or Unicast format
• DVB-ASI output on mirrored BNC terminals for use in broadcasting systems
• Fully network managed device with all settings configurable through web browser
• Low Latency available 300/500/800ms delay via different modes - IP will always be closer to 800ms due to the decoding (these values are end to end, not just the encoding speed)

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1 channel SD/HD 3G SDI Fiber Extender 1080p/60hz

Extend 3G, HD-SDI, or SD-SDI video over single-mode fiber. Unit includes 1 channel RS-485 control data for bi-directional communication

Features

• Supports SMPTE-424m (3G-SDI), SMPTE-292M (HD-SDI), SMPTE-259M (SDL), DVB-ASI specifications
• Telecast Rattler Comparable
• Transports Multi-rate HD-SDI Digital Video Over Fiber 1 Single Mode Fiber
• Latch-Locking Power Connector
• HD-SDI BNC input connector
• Robust metal die-cast enclosure for harsher environments
• Automatic Input Equalization
• Input Impedance: 75 Ohm
• Data Rate: up to 3 Gbps
• Signal Level: 800mVp-p +/- 50mV
• Optical Fiber Types: ST/PC (Single mode)
• Number of Fibers: 1
• Output Connector: BNC Female
• Distance: Up to 15 miles (20km) using single-mode fibe
• Propagation Delay (Sender): 1.3 ns
• Propagation Delay (Receiver): 35 ns
• Dimension: Dimensions: 0.77 "W x 0.77" H x 1.97 "D
• Power Supply: 5V DC @ 0.5 A
• Power Budget: 13dB
• Operating Temperature: -20 to + 80C
• Wavelength (Sender Unit): 1310nm
• Wavelength (Receiver Unit): 1310 nm - 1670 nm
• Shipping Weight 1 lbs

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12 HD/SD-3G SDI with 608/708CC (Closed Captioning) CATV RF MODULATOR

QAM

ATSC

DVB-T

ISDB-T

This Device has 12 Indpepndent SDI to CATV RF Video inputs.This unit is a Coax Modulator and IP Video Encoder. It Provides IPTV MPEG2 and H.264 Encoding. With this Device you can provide SDI Video distribution over COAX and IP

Features

• 12 HD-SDI inputs with MPEG2 & MPEG4 AVC/H.264 Encoding
• 1 RF tuner input for re-mux  The tuner - base model support ATSC but QAM or DVB-T or ISDB-T tuner could be requested
• 256 IP(DATA1 port only) input over UDP and RTP protocol
• MPEG1 Layer II, MPEG2-AAC, MPEG4-AAC, Dolby Digital AC3 (2.0) encoding AC3 (2.0/5.1) passthrough
• 16 groups multiplexing /Scrambling/ DVB-C QAM or ATSC  modulating
• 8 groups multiplexing / DVB-T modulating---Optional
• 16 MPTS IP (DATA2 port only) output over UDP, RTP/RTSP
• 8 MPTS IP (DATA2 port only) output over UDP, RTP/RTSP--only for DVB-T RF out
• PID remapping/ accurate PCR adjusting/PSI/SI editing and inserting
• Control via web management
• Lowest cost per channel, breakthrough price

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By combining some of the best technical specs, hardware, and proprietary software we have created an environment of phenomenal running equipment that won't let you down. Some of the most well known sports, stadiums, racetracks, and concert venues have used these coaxial cable modualtors for their audio / video systems.