Kramer 675R/T 4K60 4:4:4 HDMI Fiber Optic Extender Kit

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KramerSKU: 675R/T
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Sale price$1,352.00 Regular price$1,690.00

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Description

The Kramer 675R/T is a high-performance HDMI extender kit designed for ultra-long-distance 4K60 (4:4:4) signal transmission over multimode or single-mode fiber optic infrastructure. Engineered for mission-critical AV applications, the 675R/T converts HDMI to optical signals using Kramer certified 10Gbps SFP+ modules, ensuring near-zero latency and uncompromised image quality across distances up to 3km (MM) or 33km (SM).

Featuring I-EDIDPro™ Intelligent EDID Processing, the kit guarantees seamless plug-and-play operation between source and display devices. Its rugged, fanless DigiTOOLS® enclosure enables easy rack mounting and reliable performance in professional AV environments. With HDCP 2.2 support, advanced audio formats, and LED indicators for fast diagnostics, the 675R/T delivers a cost-effective, dependable extension solution for modern 4K installations.

Category Details
Inputs HDMI (female), Fiber Optic on LC connector(s)
Outputs HDMI (female), Fiber Optic on LC connector(s)
Ports Micro-USB (service)
Max Video Bandwidth 18Gbps
Max Resolution 4096×2160 @ 60Hz, 4K60 4:4:4
Latency ≤10µsec (virtually zero)
Compliance HDMI 2.0, HDCP 2.2
Optical Extension MM or SM fiber; 10Gbps SFP+ IEEE 802.3ae modules (MM included)
Max Reach MM: up to 3km (OM3) • SM: up to 33km (OS1)
Status Indicators Source detect, sink detect, optical link, power LEDs
Power Consumption 675T: 280mA • 675R: 220mA • 12V DC, 2A source
Operating Temperature 0°C to +40°C (32°F to 104°F)
Storage Temperature –40°C to +70°C (–40°F to 158°F)
Humidity 10%–90% non-condensing
Enclosure Aluminum, convection-cooled
Included Accessories 2× MM SFP+ modules, 2× power adapters, 2× mounting bracket sets
Product Dimensions (W×D×H) 12.00 × 7.15 × 2.44 cm (4.72" × 2.81" × 0.96")
Product Weight 0.5 kg (1.0 lb)
Shipping Dimensions 15.70 × 12.00 × 8.70 cm
Shipping Weight 0.7 kg (1.6 lb)

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Return Policy (Short Summary)

We offer a 30-day return window for most unopened, factory-sealed items.

Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.


Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.


For damaged or incorrect items, please contact us immediately.


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Building a Complete AV System?

This product is rarely deployed alone. It’s typically part of a fully integrated AV system. AVENDOR designs, integrates, and supports end-to-end environments—from single rooms to enterprise-wide deployments.

  • System Design & Engineering
  • Installation & Integration
  • Programming & Ongoing Support

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