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Description
Meridian Technologies SR-4HD-51/57FC 4-Channel Multi-Rate SDI/HD-SDI Video ReceiverUses 1 Single Mode Fiber Standard 1 Slot Card Design FC Optical Connector Coarse Wavelength Division Multiplexing The Meridian Technologies SR 4HD 51 57FC 4 Channel Multi Rate SDI HD SDI Video Receiver from the ST SR 4HD CWDM DigiView transmitter and receiver system series, receives 4 channels of real time SDI HD SDI video signals over 1 single mode fiber via an FC optical connector. Using CWDM (Coarse Wavelength Division Multiplexing) technology, the
- Uses 1 Single-Mode Fiber
- Standard 1-Slot Card Design
- FC Optical Connector
- Coarse Wavelength Division Multiplexing
The Meridian Technologies SR-4HD-51/57FC 4-Channel Multi-Rate SDI/HD-SDI Video Receiver from the ST/SR-4HD-CWDM DigiView transmitter and receiver system series, receives 4 channels of real-time SDI/HD-SDI video signals over 1 single-mode fiber via an FC optical connector. Using CWDM (Coarse Wavelength Division Multiplexing) technology, the content details of each video channel are preserved by real-time reception of each video channel in a compact card format. The SR-4HD-51/57FC digital video receiver and the ST-4HD-CWDM transmitter (sold separately) when used together, provide broadcast-quality transmission of the industry-standard range of digital video data rates. No user adjustments are required, ensuring fast deployment and setup with broadcast-quality results. The entire electrical and optical subsystems are housed in a standard Meridian 1-slot card design for mounting in any venue, particularly in areas with space constraints.
- Receives multi-rate SDI/HD-SDI video signals over 1 single-mode fiber
- Real-time and uncompressed video reception
- Supports the Following Formats:
SMPTE 310M (19.4 Mbps), SMPTE 259M/344M (143 to 540 Mbps), SMPTE 292M HDTV (1.485 Gbps), DVB-ASI (270 Mbps), and SMPTE 305M (SDTI rates)
- Error-free pathological pattern performance
- Supports embedded audio and metadata
- Receives transmission at distances >18.64 mi (30 km)
- Wide Dynamic Range eliminates the need for optical attenuators
- Requires no user adjustments
- Applications include remote broadcast camera links, sporting events and concerts, media feeds, video production, studio to studio and headend feeds, military information displays, and video transport systems
In the Box
Meridian Technologies SR-4HD-51/57FC 4-Channel Multi-Rate SDI/HD-SDI Video Receiver
- 10-Year Limited Warranty on Receiver
- 5-Year Warranty on Optical Connector
| Formats | SMPTE 310M (19.4 Mbps) SMPTE 259M/344M (143 To 540 Mbps) SMPTE 292M HDTV (1.485 Gbps) DVB-ASI (270 Mbps) SMPTE 305M (SDTI rates) |
| Nominal Level | 0.8 Vpp Maximum: 1 Vpp |
| Data Rate | 19 Mbps to 1.5 Gbps per channel |
| Impedance | 75 ? |
| Gain | Unity |
| Coupling | Input: AC |
| Return Loss | >15 dB |
| Jitter | Pattological Data Pattern: <0.2 UI |
| Cable Equalization | Automatic: 0 to 656.17' (0 to 200 m) @ 1.5 Gbps |
| Bit Error Rate | 10 -12 (0 to -20 dBm) |
| Connectors | Video: 75 ? BNC (gold center pin) Optical: FC |
| Wavelength | Channel 1: 1510 nm Channel 2: 1530 nm Channel 3: 1550 nm Channel 4: 1570 nm |
| Output Power | 3 dBm per channel |
| LED Indicators | Green 1: Power on 4: Level 0 / -10 dBm 4: Level -10 / -20 dBm |
| MTBF | >170,000 hours @ ground fix 95�F (35�C) per MIL217F |
| Number of Slots | 1 |
| Temperature | Operating: 14 to 122�F (-10 to 50�C) Storage: -67 to 185�F (-55 to 85�C) |
| Relative Humidity | 0 to 95% (non-condensing) |
| Dimensions (L x W x D) | Card: 6.3 x 5 x 0.8" (160 x 127 x 20 mm) |
| Weight | Card: 16 oz (450 g) |
| Packaging Info | |
|---|---|
| Package Weight | 1.5 lb |
| Box Dimensions (LxWxH) | 10.0 x 7.0 x 3.0" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 25 reviews
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Product Reviews
★★★★★ 1
Better off saving your money for a quality brand like Acer or Samsung
Size: 24"/FHD/240Hz
If you were looking for a decent gaming monitor with a good refresh rate, you better keep looking. Honestly, I wanted to really like this thing. For $120, it ticked off a lot of great features for me: at least 120Hz refresh rate, 1080p quality, and some nifty reticule marks for FPS gamers like myself. And for a year I had no problems with it until a few days ago. The ability to control input's, power, and toggle the reticule features all lie on one singular button behind the monitor. Here lie's the issue; if that power button starts messing up, there is no way to control or turn on/off the monitor. This is exactly what happened on my unit; the power button/control went out and the monitor was basically useless. I contacted Koorui support via email, and all I got was a vague "Did you confirm the button is really broken" response. Replied back that I did, and the manufacturer has ghosted me. Basically, I HIGHLY advise you just save up a few $80 or $100 dollars and get a decent entry level gaming monitor. By going cheap with this one, you will just end up probably wearing out the power/control button and be left with an expensive paperweight. If you are DIY repair savvy, I am sure that replacing the power/control button probably is not that big of a deal. In which case, go right ahead as it is a decent monitor for the price. But with that said, having this thing break leaves you with basically no options to get it fixed and good luck trying to get a hold of Koorui for support. Sadly, this is a growing trend on buying electronic's here on amazon from smaller brand sellers.
*Update* So as of writing this review, I got Koorui to reach out to me. They would agree to replace the monitor for free, but I would have to front the shipping costs. They have their operations out in California, so if you live on the east coast then expect to pay around $40-50 for shipping for the monitor all the way out there (nearly half the monitor's value). I told Koorui that this just did not make any financial sense and they offered to refund me 50% of the monitor's value. However, they have yet to specify how they will send the refund, so I am unsure of whether I will see my partial refund when this is all said and done. So know that if you do proceed to get this monitor and need to return it past the 30 day return window covered by Amazon. TLDR: just save up an extra $50-100 for a big brand gaming monitor and save yourself the headache of dealing with all of this.
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Reviewed in the United States on October 24, 2024
★★★★★ 5
I feel fully enveloped in the work
Size: 34"/WQHD/1000R/HDR400
Changed my work at home experience. I feel fully enveloped in the work. I don't use it for gaming so can't comment on that. But for laptop heavy work days, this is a great experience.
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Reviewed in the United States on May 13, 2026
★★★★★ 5
Exceptional
Size: 22, Size: 22
Great quality and price. Monitors are exceptional. Would buy again without question. Screens are quite resilient, great picture. I bought three and use them in a multi Monitor setup for my work laptop, I needed something to view wireing diagrams and scan tool information qt the same time. If your a Service Technician looking for a multi Monitor set up would strongly recommend this Monitor.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Great product and great price
Size: 22
I think the negative thing I can highlight is the pixel dentist isn’t that high so it doesn’t look as crisp but this is a great budget option when you are in a hurry (like me) or simply need a screen that does its job. I use it for home office and it’s more than enough.
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Reviewed in the United States on May 14, 2026
★★★★★ 5
Great value & clear & bright color.
Size: 24
The monitor has been working great. The color & graphics are sharp. It is also responsive to the computer. I got it on sale so it was a great price & addition to my computer setup.
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Reviewed in the United States on May 1, 2026