| Display diagonal | 109.2 cm (43") |
| Display technology | LCD |
| Display resolution | 3840 x 2160 pixels |
| Display brightness | 300 cd/m² |
| HD type | 4K Ultra HD |
| Touchscreen | No |
| Native aspect ratio | 16:9 |
| Display diagonal (metric) | 108 cm |
| High Dynamic Range (HDR) supported | Yes |
| High Dynamic Range (HDR) technology | High Dynamic Range 10 Pro (HDR10 Pro), Hybrid Log-Gamma (HLG) |
| HDMI ports quantity | 3 |
| DVI port | No |
| USB port | Yes |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| HDMI version | 2.0 |
| USB ports quantity | 1 |
| USB version | 2.0 |
| Ethernet LAN (RJ-45) ports | 1 |
| Number of speaker outputs | 1 |
| RS-232C | Yes |
| Audio Return Channel (ARC) | Yes |
| RF input | 2 |
| Built-in speaker(s) | Yes |
| RMS rated power | 20 W |
| Product design | Digital signage flat panel |
| Product colour | Blue |
| Placement supported | Indoor |
| VESA mounting | Yes |
| Colour name | Ashed Blue |
| Orientation | Horizontal |
| Panel mounting interface | 200 x 200 mm |
| Bezel width (bottom) | 1.99 cm |
| Bezel width (side) | 1.28 cm |
| Bezel width (top) | 1.28 cm |
| Purpose | Universal |
| TV tuner integrated | Yes |
| Analog signal format system | PAL, SECAM |
| Digital signal format system | DVB-C, DVB-S2, DVB-T2 |
| Browsing | Yes |
| Power consumption (typical) | 82 W |
| Power consumption (standby) | 0.5 W |
| Power consumption (max) | 119 W |
| Energy efficiency class (SDR) | G |
| Energy efficiency class (HDR) | G |
| Energy consumption (SDR) per 1000 hours | 54 kWh |
| Energy consumption (HDR) per 1000 hours | 74 kWh |
| AC input voltage | 100-240 V |
| AC input frequency | 50-60 Hz |
| Operating system installed | Web OS |
| Operating system version | 22 |
| Display width | 967 mm |
| Display depth | 57.1 mm |
| Display height | 564 mm |
| Display weight | 8.8 kg |
| Width (with stand) | 967 mm |
| Depth (with stand) | 216 mm |
| Height (with stand) | 622 mm |
| Weight (with stand) | 8.9 kg |
| Package width | 1055 mm |
| Package depth | 142 mm |
| Package height | 660 mm |
| Package weight | 11 kg |
| Stand included | Yes |
| Remote control included | Yes |
| Cables included | AC |
| Bluetooth | Yes |
| Common interface Plus (CI+) | Yes |
| Headphone outputs | 1 |
| Power management | Yes |
| Cable lock slot type | Kensington |
| Teletext function | Yes |
| Hotel mode | Yes |
| Timer | Yes |
| Bluetooth Low Energy (BLE) | Yes |
| Common interface Plus (CI+) version | 1.4 |
| Digital audio out | 1 |
| Real Time Clock (RTC) | Yes |
| Description |
| LG 43UN640S. Product design: Digital signage flat panel. Display diagonal: 109.2 cm (43"), Display technology: LCD, Display resolution: 3840 x 2160 pixels, Display brightness: 300 cd/m², HD type: 4K Ultra HD. Wi-Fi. Operating system installed: Web OS. Product colour: Blue |