UT640S Series
  • Content Management/Group Management
  • SuperSign Control
  • SNMP
  • Wake-up On Lan
  • Crestron Connected® (Network Based Control)
UT640S Series
* This images are provided for illustrative purposes, and the actual GU may differ.
* All displays must be connected to the same network.
  • Real-Time Remote Monitoring

    Malfunctions or errors can be easily handled through real-time remote care. When an error occurs, notifications can be sent through the SNMP (Simple Network Management Protocol) protocol.

  • Power & Network with One Line

    WOL (Wake-on-LAN) enables users to turn on displays by sending messages through the network. This greatly simplifi es the installation and maintenance processes since only a single wire is needed for power and network connection.

* It is a network based control system, Available AV control systems may differ by regions.


  • Inch
    3,840 x 2,160 (UHD)
  • Brightness (cd/m²)

Broadcasting System

  • Digital


  • HDR (10 Pro / HLG)
    • / •


  • Audio Output
    10W + 10W
    Speaker System
    2.0 ch
    One Touch Sound Tuning
  • LG Sound Sync
    Bluetooth required


  • Hospitality
    Hotel Mode / PDM / Installer Menu, Lock mode (Limited), Welcome Screen (Splash Image), Insert Image, One Channel Map, IP Channel Manager, External Speaker Out (Int / Ext Variable/Fixed, 3.5mm, Stereo, Single ended Type(GND,L+,R+), 2W with 8Ω), RJP (remote jack pack) Compatibility (LG/Teleadapt (RS232C), Teleadapt/Guestlink (HDMI CEC))

Jack Interface

  • Set Side
    HDMI In 2 (2.0), USB (2.0), CI Slot
    Set Rear
    HDMI In (HDCP (2.0)), CI Slot, RF In 2, Digital Audio Out (Optical), RS-232C(D-Sub 9pin (Control & Service)), RJ45 (Usage Purpose (Ethernet)), External Speaker Out(3.5mm phone jack) 2 (Spk-out 1, 4W (Stereo, R: 2.0W, L: 2.0W, 8Ω) Vol. Control 1), Debug (Phone Jack Type (Ext. SPK Volume Control Share))

Dimension(Unit: mm/kg)

  • Vesa
    200 x 200
    W x H x D / Weight (with stand)
    973 x 623 x 216 / 8.1
  • W x H x D / Weight (without stand)
    973 x 572 x 85 / 8.0
    W x H x D / Weight (Shipping)
    1,060 x 660 x 152 / 10.2

Power(Unit : Watts)

  • Voltage, Hz
    100 ~ 240 V, 50/60 Hz
    Power Consumption(Typ.)
  • Stand-by


  • Region

To access more technical documentation and downloads, please visit the LG B2B Partner Portal.

Find a dealer to help with service for sales, installation, and after sales.
Business Unit is required
Address is required.
  • sales
  • install
  • service
Please retry to enter zip code.

There is no data. Please retry to enter zip code.