Universal Composite BNC RCA A/V To RF Coax AgileModulator For NTSC PAL-B/G/D/K/I/A
This professional RCA A/V to RF modulator is designed for converting composite video audio played from DVD player, cable box, security camera  toan analog TV channel of user choice for broadcasting and distribution.

It provides selectable dual CATV and Air UHF/VHFfrequency output mode for flexibility, not like most models on the marketlimited to CH3/CH4 UHF frequency only.

All standard composite A/V signals from devices such as satellite receivers,DVD player and so on can be modulated by this device and further combined with the existing cable TV system as one of your new TV channels.

Typical uses of this RF modulatorincluding:

• DIY Surveillance TV Channel: analogvideo and audio signals from CCTV cameraor surveillance DVR can also be modulated into new private TV channels. So users can simply view the live camera feeds on the TV by tuning into themodulated channel for monitoring.
• Education/Training. Build a customTV channel for broadcasting the digital media content prepared by teacher orinstructor for classrooms. 
• Digital Signage. Convertingdigital media content played from DVD player or other digital media playerinto a custom-made TV channel and transmitted overmultiple TV displays for advertisement or signage purpose.

Programmable TV Channel Output Selection
Its programmable TV channel selection allows users to select any desired TVchannel frequency for its RF output.

Channel selectionis controlled by the front panel push button. 

Air/CATV Video System Support
This video/audio modulator supports both CATV and UHF/VHF system mode withwide TV channel frequency range support.

The cable TV channel range starts from CH58 toCH138 and the UHF/VHF channel range starts from CH14 to CH83 for NTSC system.

Universal TV Channel Frequency Support
This universal model fits for worldwide use with selectable TV system mode andwide channel frequency range support for all regions adopting NTSC, PAL I, PAL B/G, PAL D/K andPAL-Australia TV standard.

Double Side Band Design
This modulator uses double sided band design. So if the 1st modulator is setfor using CH18, the 2nd modulator must skip CH19 and use at least CH20 or highernumber for the output.

Easy Operation
Simply connect the video/ audio output from device such as set top box, surveillancecamera, DVDplayer to the RCA A/V input of this agile modulator and then connect its RF coax output to your TV or a coax cable combiner/splitter forfurther distribution.

Next use the channel up/down button on the frontto select the CATV or UHF/VHF mode before picking a TV channel number for output in CATV or UHF/VHF system use. 

Easy TV Distribution
Users can also use RF coax splitters to distribute the modulated coax feedto multiple TV displays

Users can also add more of these RF modulatorsfor modulating more videos from various video sources into more TV channels andcombined them in one coax cable run for large-scale private TV channeldistribution.

Easy Integration
Users can simply use the existing coax cable system to transmit the newvideo content over the long coax cable through this audio/video coax modulator.

Any TV connected through the same coax cable can see the same video content when the TVistuned to the proper channel.

Easy Expansion
Users can add more modulators for modulating more video sources into new TVchannels and and transmit them all simultaneouslythrough using RF combiner over the same coax cable wire for all TVs.

Powerful 90db Output ForLong Range Transmission
This RF modulator is featured with a powerful 100dB output, which issufficient for long cable transmission up to 1200 meters or 0.75 mile with no loss of pictureand sound.

Video Audio Extension Over CoaxCable 
This RF modulator can also be combined with ourRF demodulator, RFDM2 model, so they can be used as a video/audio over coaxcable extender kit for many purposes such as CCTV surveillance, multimediacenter, etc. 

Adjustable Video Audio Level ControlThis RF modulator is featured with adjustable level controls of the video/audioinput feed. Users can manually adjust the signal output level so the picturestability will be retained all the way for the remote end display with full brightness and contrast.

Last Channel Memory
This RF modulator will memorize user's setting for modulated channel afterbeing powered off manually or power outage event.

1U 2U 3U Rack Mountable DesignThis agile RF modulator is rack mount ready. There are rack-mountingholes on the front panel. 

The optional rack-mount kits can have multiple modulators installed togetheron 1U, 2U or 3U racks and they are sold separately.

• Professional-grade audio/video RF modulator for converting composite video audio played from DVD player, cable box, security camera  toan analog TV channel of user choice for broadcasting and distribution.
• Selectable CATV channel or air UHF/VHF channeloutput frequency.
• One universal model for all NTSC,PAL I, PAL B/G, PAL D/K and PAL-Australia.
• Wide-range TV channel RF output frequenciesfor worldwide use:
  • NTSC-M (CATV): CH58 to CH138(427.25 to 877.25 MHz)
  • NTSC-M (Air): CH14 to CH83 (471.25to 885.25 MHz)
  • PAL-B/G: CH21 to CH69 (471.25 to855.25 MHz)
  • PAL-I: CH21 to CH69 (471.25 to855.25 MHz)
  • PAL-D/K: CH21 to CH69 (471.25 to863.25 MHz)
  • PAL-B: CH21 to CH69 (478.25 to814.25 MHz)
  • PAL-Australia: CH21 to CH69 (478.25MHz to 814.25 MHz)
• Transmitting audio/video over coax cable offersgreater transmission range and much lower cost than the typical balun or Cat5extender solution.
• Supports all audio/video sources such assatellite receivers, media players, video camera or other composite videodevices.
• Must-have A/V adapter for combining BNC/RCA video/audio from device into RF type for long range video/audiodistribution.
• Great cost saving for device sharing. AllTVs connected through the same coax cable can share the same A/V device or mediaplayer when being modulated into a TV channel.
• Video and audio signals from CCTV surveillance camera can be presented on your TVwhen tuning into the assigned channel. 
• Supports adjustable output gain control. 
• Manualgain level adjustment available from 0 to 20 dB.
• Powerful 90db signal output sufficient for long cable runs up to 1200meters or 0.75 mile.
• Multiple units cascaded together to distribute multiple audio video inputs fromone coax cable run.
• Transmitting audio/video over existing coaxcable setup offers far greater resolution, longer transmission range andmuch lower cost than the typical balun or Cat5 extender solution.
• Last memory support for keeping user'slast-minute setting intact after being powered off manually orpower outage event.
• Digital LED channel display and controls for convenient monitoring andoperation.
• Rackmountready for 1U, 2U or 3U. Theoptional rack mounting kit can be purchased separately to have multiple units ofthese AV to RF modulators installed together.

• RF Output Strength: 90+/-5 dbuv
• ChannelDisplay: DigitalLED Screen
• ChannelFrequency Range:
  • NTSC-M (CATV): CH58 to CH138(427.25 to 877.25 MHz)
  • NTSC-M (Air): CH14 to CH83 (471.25to 885.25 MHz)
  • PAL-B/G: CH21 to CH69 (471.25 to855.25 MHz)
  • PAL-I: CH21 to CH69 (471.25 to855.25 MHz)
  • PAL-D/K: CH21 to CH69 (471.25 to863.25 MHz)
  • PAL-B: CH21 to CH69 (478.25 to814.25 MHz)
  • PAL-Australia: CH21 to CH69 (478.25MHz to 814.25 MHz)
• ModulationType: Double side band
• Video Input Connectors: Composite BNC/RCA female x 1
• Audio Input Connectors: RCA female x 2for audio L/R)
• OutputConnector: Coax F-Type female x1
• Video/AudioGain Control:
  • RF lever
  • Video/Audio deviation
  • Video/Audio carrier
  • Video/Audio modulation
• MemoryFunction: Last channel memory
• Power Supply: DC 7.5V - DC12V / 100mA
• Dimension: 117mm x 72mm x 32mm