Professional Video Products & Solutions
PROFESSIONAL VIDEO HARDWARE

Professional Video Products. Every Signal Delivered.

Professional HDMI, SDI and AHD capture, conversion, distribution and Thunderbolt products with reliable hardware and complete development support.

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USB Capture CardView product series →
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PCI-E Capture CardView product series →
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PCI-E M.2 Capture CardView product series →
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Thunderbolt / USB4View product series →
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Video Render CardView product series →
PRODUCT SHOWCASE

Featured Products

Reliable hardware and complete support for professional video workflows.

2 CH SDI  PCIe Video Capture Card
SDI Capture Card

2 CH SDI PCIe Video Capture Card

This dual-channel 3G-SDI PCIe capture card accepts two HD-SDI/3G-SDI sources up to 1080p60 and captures SDI embedded audio or one Line In source. A 5 Gb/s PCIe 2.0 x1 link and onboard processing provide automatic format detection and multi-resolution video streams. YUY2, XRGB, NV12, DirectShow, and V4L2 support make it well suited to streaming, recording, medical imaging, industrial vision, surveillance, and OEM integration.

Product details
4CH Thunderbolt3 HDMI/SDI Video Capture Box
Thunderbolt3/Thunderbolt4 HDMI and SDI Video Capture Box

4CH Thunderbolt3 HDMI/SDI Video Capture Box

This dual-HDMI plus dual 3G-SDI Thunderbolt 3 capture box supports four channels of video and embedded audio at up to 1080p60 per channel, together with an independent Line In. Its 40 Gb/s host link supports daisy-chain expansion, while YUY2 4:2:2, XRGB, NV12, hardware scaling, and deinterlacing suit multi-camera streaming, broadcast recording, medical imaging, industrial vision, AI processing, and professional integration.

Product details
4CH Thunderbolt3 HDMI and SDI Video Capture Box
Thunderbolt3/Thunderbolt4 HDMI and SDI Video Capture Box

4CH Thunderbolt3 HDMI and SDI Video Capture Box

This triple-HDMI plus single 3G-SDI Thunderbolt 3 capture box supports four channels of video and embedded audio at up to 1080p60 per channel. A 40 Gb/s host link with daisy-chain expansion, YUY2 4:2:2, XRGB, and NV12 formats, hardware scaling, and deinterlacing combine convenient HDMI connectivity with locking long-distance SDI transmission for multi-camera streaming, broadcast production, medical imaging, industrial vision, AI analysis, and professional integration.

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4CH Thunderbolt3 HDMI Video Capture Box
Thunderbolt 3/4 HDMI Capture Card

4CH Thunderbolt3 HDMI Video Capture Box

This four-channel HDMI Thunderbolt 3 capture box supports up to 1080p60 video and embedded-audio capture across four inputs. Its 40 Gb/s Thunderbolt 3 interface supports daisy-chain expansion, while YUY2 4:2:2, XRGB, and NV12 output, DP expansion, hardware scaling, and deinterlacing make it ideal for multi-camera streaming, conference recording, medical imaging, industrial vision, and professional system integration.

Product details
1CH Thunderbolt3/USB4.0 Video Capture Box
Thunderbolt 3/4 HDMI Capture Card

1CH Thunderbolt3/USB4.0 Video Capture Box

This Thunderbolt 3/USB4 single-channel HDMI capture box delivers uncompressed 4K60 video capture with real-time HDMI loop-through, while supporting high-refresh-rate signals up to 2K144 and 1080p240. Featuring YUY2/RGB video output, HDMI embedded audio, and Line In audio capture, it offers high bandwidth, low latency, exceptional image quality, and plug-and-play operation for professional streaming, gaming recording, medical imaging, machine vision, and high-resolution video acquisition.

Product details
4CH AHD Video Capture Card
AHD Capture

4CH AHD Video Capture Card

Four-channel AHD capture box supporting up to 720p30, with 5Gbps USB connectivity, UVC plug-and-play operation, and centralized multi-camera monitoring and recording.

Product details
2CH AHD Video Capture Card
AHD Capture

2CH AHD Video Capture Card

Dual-channel AHD capture box supporting up to 1080p30, with 5Gbps USB connectivity, UVC plug-and-play operation, and efficient multi-camera video digitization.

Product details
APPLICATIONS

Built for professional video workflows

From capture and conversion to distribution and high-speed transmission, LongTime supports broadcast, medical, industrial, education and live production workflows.

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Broadcast & Live

SDI / HDMI multi-channel production

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Medical & Industrial

Reliable low-latency video acquisition

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Education & Conference

Lecture capture and collaboration

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OEM / ODM

Hardware and SDK customization

10+Years in professional video
8K+Up to 8K video capability
SDKWindows / Linux /Mac OS support
OEMCustomization & engineering