Kramer 675R/T 4K60 4:4:4 HDMI Extender Kit over Ultra‑Reach MM/SM Fiber Optic

The Kramer 675R/T is a professional-grade fiber-optic HDMI extender kit, comprising a transmitter (675T) and receiver (675R). It enables ultra-long HDMI signal transmission—up to 3 km over multi‑mode fiber or 33 km over single‑mode fiber—at full 4K@60 Hz 4:4:4 resolution, ideal for broadcast, medical, and critical AV installations.

With 18 Gbps bandwidth, HDMI 2.0 and HDCP 2.2 compliance, and near-zero latency (<10 µs), the kit ensures pristine signal quality. Key features include Kramer Intelligent EDID handling (I‑EDIDPro™), automatic chroma sub‑sampling adaptation, and status LEDs for easy monitoring. The units ship with multi‑mode SFP+ modules, USB micro connectors, and rack-mountable fan‑less DigiTOOLS® enclosures.

Key Features

• Resolution & Bandwidth: 4K@60 (4:4:4), up to 18 Gbps
• Fiber Reach: 3 km (MM, OM3) or 33 km (SM, OS1)
• Latency: ≤10 µs (virtually none)
• I‑EDIDPro™: Intelligent EDID management for seamless plug‑and‑play
• HDMI Compliance: HDMI 2.0, HDCP 2.2, LPCM 7.1, Dolby True HD, DTS‑HD
• Form Factor: 4.72″ × 2.81″ × 0.96″ fan‑less aluminum enclosure
• Rack‑mountable: DigiTOOLS® compatible - 3 units per 1U rack
• Status LEDs: Link, source, sink, power indicators

Technical Specifications

• Inputs: 1 × HDMI, 1 × Fiber (LC), 1 × USB micro‑B
• Outputs: 1 × HDMI, 1 × Fiber (LC)
• Optical Modules: Includes 2× multi‑mode SFP+ (10 Gbps, IEEE 802.3ae), compatible with Kramer OSP SFP+ modules
• Fiber Standards: MM (G.651.1 OFNR), SM (G.652D OFNR)
• Power: 12 V DC, 2 A; Transmitter draw: 280 mA; Receiver: 220 mA
• Environmental: Op. temp 0-40 °C; Storage −40-70 °C; Humidity 10-90% RH non‑condensing
• Certifications: CE, UL, RoHS, WEEE; Laser Safety Class 1; EMC EN 55022/24; IEC 62368‑1; FDA CDRH

What's Included

• 675T transmitter unit
• 675R receiver unit
• 2 × multi‑mode SFP+ modules
• 2 × 12 V DC power adapters
• 2 × DigiTOOLS® mounting brackets