$188.0 Buy It Now or Best Offer
free,30-Day Returns
Seller Store e-video
(13397) 96.0%,
Location: Arcadia, California
Ships to: US,
Item: 232979630695
Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money Back
Type:RF Modulator
Unbranded:Unbranded
4-Input Composite Video Audio To RF Coax TV Modulator 4-Input Composite Video Audio To RF Coax TV Modulator This professional 4-channel RF modulator is developed for distributing 4 live composite RCA video signals through new or existing cable TV system using the existing coax cable setup. This device can convert and combine 4 composite RCA video/audio feeds played from DVD player, cable box, surveillance camera, CCTV DVR into 4 analog TV channels of user choice for video distribution and merged with existing cable TV system. This premium 4-channel video modulator provides selectable dual CATV and Air UHF/VHF frequency output mode for flexibility, not like most models on the market limited to CH3/CH4 UHF frequency only. Its programmable TV channel selection allows users to assign a desired TV channel frequency for each video input equipment. TV channel selection is controlled by push buttons on the front panel. Typical uses of this RF modulator including: DIY Surveillance TV Channel: analog video and audio signals from CCTV camera or 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 the modulated channel for monitoring. Education/Training. Build a custom TV channel for broadcasting the digital media content prepared by teacher or instructor for classrooms. Digital Signage. Converting digital media content played from DVD player or other digital media player into a custom-made TV channel and transmitted over multiple TV displays for advertisement or signage purpose. Programmable TV Channel Output Selection Its programmable TV channel selection allows users to select any desired TV channel frequency for its RF output. Channel selection is controlled by the front panel push buttons. Air/CATV Video System Support This video/audio modulator supports both CATV and UHF/VHF system mode with wide TV channel frequency range support. The cable TV channel range starts from CH58 to CH138 and the UHF/VHF channel range starts from CH14 to CH83 for NTSC system. Easy Operation After finishing the cable hookup, simply use the push buttons on the front panel to assign a desired TV output channel number for each video input device. Then users could use the TV remote to tune into the new channels just created and shall see the DVD video or camera screen showing on the TV screen. Cost Saving Solution This 4-input RF modulator allows user to create up to 4 private TV channels so 3 of these modulators can create 12 private TV channels instead of purchasing 12 single-channel modulators. Great saving on money, cabling, space and power supply. 4 RCA Video/Audio Inputs This RF modulator supports total of 4 composite RCA video audio inputs. Each AV input can be individually programmed for different TV channel output. Double Side Band Design This modulator uses double sided band design. So if the 1st video input is set for using CH18, the 2nd modulator must skip CH19 and use at least CH20 or higher number to avoid the interference caused by using very close channel frequency range between 2 consecutive TV channels. Video Audio Extension Over Coax Cable This RF modulator can also be combined with our RF demodulator, RFDM2 model, so they can be used as a video/audio over coax cable extender kit for many purposes such as CCTV surveillance, multimedia center, etc. Air/CATV Video System Support This video/audio modulator supports both CATV and UHF/VHF system mode with wide TV channel frequency range support. The cable TV channel range starts from CH58 to CH138 and the UHF/VHF channel range starts from CH14 to CH83. Powerful 100db Output For Long Range Transmission This RF modulator is featured with a powerful 100dB output, which is sufficient for long cable transmission up to 1200 meters with no loss of picture and sound. Analog video/audio signals transmitted over existing coax cable with such high dB strength can be transmitted longer distance than the typical balun or Cat5 extender solution. Daisy Chain Connection Multiple of these 4-input RF modulators can be combined using RF coax combined for broadcasting more A/V source signals and building up a large-scale TV distribution system for class rooms, hotels, restaurant, retail stores, hospitals. Last Channel Memory This RF modulator will memorize user’s setting for modulated channel after being powered off manually or power outage event. Professional-grade audio/video to RF modulator for broadband A/V distribution for all NTSC TV system setup. Converts up to 4 composite RCA video/audio inputs to 4 user-defined CATV or UHF channels in one cable run to all TVs. Cost-saving solution for building private MATV or closed-circuit TV system. A great analog TV channel modulator for distributing up to 4 live video from SD sources such as cable box, DVD player, signage player, etc, and broadcast the modulated videos on a new or existing cable TV system through using the existing coax cable infrastructure. Supports 4 composite RCA video inputs and 4 RCA audio inputs. Easy front panel push button control for easy channel selection. Each video/audio input can be individually set up for different TV channel output. Support RF output in cable channel range from CH58 to CH138 or UHF/VHF channel range from CH14 to CH83 Users can add more of these RF modulators at any time for more video sources to be modulated into more TV channels and combined in same coax cable run for distribution. Transmitting audio/video over coax cable offers greater transmission range and much lower cost than the typical balun or Cat5 extender solution. Must-have A/V adapter for combining both RCA video/audio from device into RF type for long range video/audio distribution. Cost saving with source device sharing. All TVs connected through the same coax cable can share the same A/V device or media player. Video and audio signals from CCTV surveillance camera can be presented on your TV channels. Powerful 100db signal output sufficient for long cable runs up to 1200 meters. Multiple of these 4-input RF modulator units can be cascaded together to distribute more video feeds to more TVs in the same coax cable run. Last memory support for keeping user’s last-minute setting intact after being powered off manually or power outage event. RF Output Strength: 100 +/- 5dB Channel Display: Digital LED Screen TV System: NTSC-M Channel Frequency Range: CATV: CH58 to CH138 (427.25 to 877.25 MHz) Air: CH14 to CH83 (471.25 to 885.25 MHz) Modulation Type: Double side band RF Signal Output Level: 100+/-5 dbuv Video Input Level: 1.0 Vp-p for 87.5% modulation Audio Input Level: Pre-emphasis 75us Video Input Connectors: Composite RCA x 4 for video Audio Input Connectors: RCA female x 4 for audio Output Connector: Coax F-Type female x1 Frequency Stability: +/- 5Khz Memory Function: Last channel memory Power Supply: DC 7.5V – DC12V / 100mA Dimension: 217mm x 132mm x 52mm
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