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Lenkeng LKV683-5.0 HDMI Extender 4K@30Hz up to 120m, Cat6, IR, one-to-many (HDMI-EX-200-4K)

Product "Lenkeng LKV683-5.0 HDMI Extender 4K@30Hz up to 120m, Cat6, IR, one-to-many (HDMI-EX-200-4K)"

Lenkeng LKV683-5.0 carries a 4K picture up to 120 metres over ordinary network cable. An HDMI cable itself gets unreliable beyond 10–15 m, while twisted pair is cheap, can be run inside a wall and terminated on site. Through a gigabit switch one transmitter can feed several screens at once.

Key Advantages and Features:

  • 4K 30 Hz, backward compatible: Up to 4096 × 2160 @ 24/30 Hz and 1080p at up to 60 Hz — older screens and sources keep working.
  • Up to 120 m over Cat6: Cat5 80 m, Cat5e 100 m, Cat6 120 m — one cable from transmitter to receiver.
  • One source, several screens: Through a gigabit switch the same picture can feed several receivers (one-to-many, cascaded switches).
  • IR passback: The remote control signal (20–60 kHz) travels back along the same cable, so the source can be operated from the screen.
  • Firmware upgradable: The micro-USB port is for firmware updates, not power — power comes from the 5 V DC jack.
  • Surge protection: Lightning, surge and ESD protection (IEC 61000-4-2) — important when the cable runs a long way along a wall or between buildings.
  • Round-the-clock operation: The maker rates it for continuous 24/7 use — suitable for a control room or a signage screen.
  • Transmitter and receiver included: Both ends are in the box; nothing extra to buy.

Technical Specifications:

ParameterSpecification
Resolution4096 × 2160 @ 24/30 Hz, 3840 × 2160 @ 24/30 Hz, 1080p @ 24/25/30/50/60 Hz
CompatibilityHDMI 1.4, HDCP 1.4
Maximum data rate10.2 Gbit/s
Transmission distanceCat5 80 m / Cat5e 100 m / Cat6 120 m
Latency1080p 80–130 ms, 4K@30 Hz 150–220 ms
Connection typesone-to-one, one-to-many, cascaded switches
AudioLPCM 2.0
IRreceiving range ≤ 5 m, frequency 20–60 kHz
HDMI cable length≤ 5 m
Housingaluminium, black
Dimensions107.3 × 94 × 23.7 mm (transmitter and receiver each)
Weighttransmitter 175 g, receiver 170 g
Power5 V DC / 1 A (two power supplies included)
Power consumptiontransmitter ≤ 3.5 W, receiver ≤ 2.5 W
Working temperature−20 °C to +60 °C, humidity 0–90 % RH

Suited to places where the screen is far from the source — a control room, a meeting room, a shop's signage screen or a home cinema projector. The run must be a continuous Cat5e/Cat6 twisted pair; a gigabit switch in between does not disturb the picture.

Properties "Lenkeng LKV683-5.0 HDMI Extender 4K@30Hz up to 120m, Cat6, IR, one-to-many (HDMI-EX-200-4K)"
HDMI device type: HDMI extender
Product type: HDMI device
Manufacturer "Lenkeng"

Lenkeng is a Chinese manufacturer of HDMI extenders and splitters.

They carry an HDMI picture tens of metres over network cable — for example from a recorder to a monitor in another room. The KVM models take keyboard and mouse along too.

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