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Product Code: MDHO-1795
MPN #: 55UN640S
Product Condition: New
Struggling to capture attention in busy public spaces? The LG 55UN640S 55" Digital signage flat panel Wi-Fi Digital Signage System is a 55-inch ultra-HD screen designed to deliver vivid, eye-catching content without the hassle of separate PCs or complex software, letting you manage messages from a phone or tablet.
You enjoy crystal-clear 4K images that make every detail pop, while the slim, ashed-blue design blends seamlessly into any décor. Remote control and webOS22 mean you can update playlists instantly, giving you peace of mind that your information is always current. Energy-saving modes keep running costs low, and the optional ConnectedCare service provides proactive monitoring so downtime is rare. Integrated audio and Bluetooth streaming add flexibility for multimedia presentations.
Many buyers worry about complicated setup and ongoing maintenance. They fear a large screen will be a power hog or require constant technical support. With the LG 55UN640S system, the all-in-one design eliminates the need for extra PCs, and the webOS22 platform makes content changes as simple as using a smartphone. Energy-saving features and optional cloud-based ConnectedCare keep operating costs low and ensure any issues are resolved quickly. This combination of ease-of-use, reliability and striking visual quality makes it a smart choice for any business looking to communicate effectively.
| Connections | |
| Connections / Connector Type | 2 x HDMI - side ¦ HDMI - rear ¦ Service - side ¦ Headphones - side ¦ RS-232C - side ¦ External speaker output - rear ¦ LAN - rear ¦ USB - rear ¦ Digital audio output (optical) - rear |
| Miscellaneous | |
| Miscellaneous / Color Category | Black |
| Miscellaneous / Color | Ashed blue |
| Miscellaneous / Compliant Standards | CB, CEC, CU-TR |
| Miscellaneous / Flat Panel Mount Interface | 300 x 300 mm |
| Dimensions & Weight | |
| Dimensions & Weight / Comments | Without stand |
| Dimensions & Weight / Height | 28.1in |
| Dimensions & Weight / Width | 48.6in |
| Dimensions & Weight / Depth | 2.3in |
| Dimensions & Weight / Weight | 30.86lbs |
| Remote Control | |
| Remote Control / Type | Remote control |
| Remote Control / Features | Multi IR function, S-Con control |
| Video Features | |
| Video Features / Teletext | Yes |
| Network & Internet Multimedia | |
| Network & Internet Multimedia / LAN Protocol | Ethernet |
| Network & Internet Multimedia / Supported Consumer Electronics Control (CEC) | Simplink |
| Network & Internet Multimedia / Connectivity | Bluetooth |
| Network & Internet Multimedia / Functionality | WEB browsing, Internet video playback |
| Network & Internet Multimedia / Connect & Share | Content Share, Screen Share |
| Dimensions & Weight (Shipping) | |
| Dimensions & Weight (Shipping) / Depth (Shipping) | 6.4 in |
| Dimensions & Weight (Shipping) / Height (Shipping) | 31.9 in |
| Dimensions & Weight (Shipping) / Shipping Weight | 41.89lbs |
| Dimensions & Weight (Shipping) / Weight (Shipping) | 41.89 lbs |
| Dimensions & Weight (Shipping) / Shipping Depth | 6.4in |
| Dimensions & Weight (Shipping) / Shipping Width | 53.5in |
| Dimensions & Weight (Shipping) / Width (Shipping) | 53.5 in |
| Dimensions & Weight (Shipping) / Shipping Height | 31.9in |
| TV Tuner | |
| TV Tuner / Teletext | Yes |
| TV Tuner / Analog TV Tuner | PAL, SECAM |
| TV Tuner / Conditional Access | Common Interface Plus (CI+) slot |
| TV Tuner / TV Tuner Presence | Yes |
| TV Tuner / Digital TV Tuner | DVB-T2 |
| Dimensions & Weight Details | |
| Dimensions & Weight Details / Dimensions & Weight Details | Panel without stand - 48.6 in x 2.3 in x 28.1 in x 30.9 lbs ¦ Panel with stand - 48.6 in x 9.1 in x 30.4 in x 31.3 lbs |
| Audio System | |
| Audio System / Additional Features | Bluetooth audio streaming, Audio Return Channel (ARC), LG Sound Sync |
| Audio System / Output Power / Total | 20 watt |
| Television | |
| Television / Image Aspect Ratio | 16:9 |
| Television / Diagonal Class | 55in |
| Television / Commercial Targeting | Hotel / hospitality |
| Television / Resolution | 3840 x 2160 |
| Television / Smart TV | Smart TV |
| Television / HDR Capable | Yes |
| Television / Platform | webOS |
| Television / Commercial Use | Yes |
| Television / HDR Format | HDR10 |
| Television / Type | LED-backlit LCD TV |
| Television / Diagonal Class (metric) | 140cm |
| Television / LCD Backlight Technology | LED backlight |
| Television / HDMI Ports Qty | 3 |
| Television / Video Interface | HDMI |
| Television / Display Format | 4K UHD (2160p) |
| Header | |
| Header / Model | 55UN640S |
| Header / Product Line | LG |
| Digital TV Tuner | |
| Digital TV Tuner / Digital TV Tuner | DVB-C, DVB-S2, DVB-T2 |
| General | |
| General / Energy Class (HDR) | Class G |
| General / HDR Format | HDR10 |
| General / Dimensions | Without stand |
| General / Operating System | webOS 22 |
| General / Enclosure Color | Ashed blue |
| General / Power Consumption HDR (On mode) | 88 kWh/1000h |
| General / HDR Technology | Hybrid Log-Gamma (HLG), HDR10 Pro |
| General / Energy Class | Class G |
| General / Commercial Use | Yes - hotel / hospitality |
| General / Width | 48.6 in |
| General / Power Consumption SDR (On mode) | 79 kWh/1000h |
| General / HDMI Ports Qty | 3 ports |
| General / Product Type | LED-backlit LCD TV - Smart TV |
| General / Power Consumption Operational | 128 watt |
| General / Diagonal Class | 55" |
| General / Depth | 2.3 in |
| General / Weight | 30.86 lbs |
| General / TV Tuner Presence | Yes |
| General / Video Interface | HDMI |
| General / Platform | webOS |
| General / Modes | Portrait mode, hotel mode, Public Display Mode |
| General / Design | Slim Design |
| General / HDR Capable | Yes |
| General / Height | 28.1 in |
| Media Player | |
| Media Player / USB Port | Yes |
| Media Player / USB Ports Qty | 1 |
| Stands & Mounts | |
| Stands & Mounts / Stand Features | 2 Pole |
| Stands & Mounts / Flat Panel Mount Interface | 300 x 300 mm |
| Stands & Mounts / Stand Design | Tabletop |
| Stands & Mounts / Stand | Included |
| Stands & Mounts / VESA Compatibility | Yes |
| Power Device | |
| Power Device / Power Consumption Operational | 128watt |
| Power | |
| Power / Input Voltage | AC 100-240 V (50/60 Hz) |
| Power / Energy Class | Class G |
| Power / Energy Class (HDR) | Class G |
| Power / Features | WOL (Wake on LAN), energy saving mode |
| Power / Power Device | Power supply |
| Power / Power Consumption HDR (On mode) | 88kWh/1000h |
| Power / Power Consumption Stand by | 0.5 watt |
| Display | |
| Display / Additional Features | One Channel Map, RJP Compatible, BEACON technology, wireless access point, Cisco Certified, DIAL, SoftAP |
| Display / Display Format | 4K UHD (2160p) |
| Display / Resolution | 3840 x 2160 |
| Display / LCD Backlight Technology | LED backlight |
| Display / Image Aspect Ratio | 16:9 |
| Summary Details | |
| Product design | Digital signage flat panel |
| Display diagonal | 139.7 cm (55") |
| Display resolution | 3840 x 2160 pixels |
| Display brightness | 300 cd/m² |
| HD type | 4K Ultra HD |
| Operating system installed | WebOS |
| Product colour | Blue |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)