edid-decode (hex):

00 ff ff ff ff ff ff 00 1e 6d 8c 9e 27 1e 05 00
06 21 01 03 80 69 2c 78 e8 39 8c ad 52 41 af 25
0e 4a 4d 21 09 00 d1 c0 81 c0 61 40 45 40 01 01
01 01 01 01 01 01 1a b3 70 a0 d0 a0 3b 50 30 20
3a 00 18 b9 41 00 00 1a 00 00 00 fd 00 30 f0 1e
ff 8c 00 0a 20 20 20 20 20 20 00 00 00 fc 00 4c
47 20 55 4c 54 52 41 47 45 41 52 2b 00 00 00 ff
00 33 30 36 4e 54 56 53 39 56 33 39 39 0a 03 fc

f0 02 70 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 9e

----------------

Block 0, Base EDID:
  EDID Structure Version & Revision: 1.3
  Vendor & Product Identification:
    Manufacturer: GSM
    Model: 40588
    Serial Number: 335399
    Made in: week 6 of 2023
  Basic Display Parameters & Features:
    Digital display
    Maximum image size: 105 cm x 44 cm
    Gamma: 2.20
    DPMS levels: Standby Suspend Off
    RGB color display
  Color Characteristics:
    Red  : 0.6757, 0.3232
    Green: 0.2558, 0.6845
    Blue : 0.1464, 0.0546
    White: 0.2919, 0.3007
  Established Timings I & II:
    DMT 0x04:   640x480    59.940 Hz   4:3    31.469 kHz  25.175 MHz
    DMT 0x09:   800x600    60.317 Hz   4:3    37.879 kHz  40.000 MHz
    DMT 0x10:  1024x768    60.004 Hz   4:3    48.363 kHz  65.000 MHz
    DMT 0x24:  1280x1024   75.025 Hz   5:4    79.976 kHz 135.000 MHz
  Standard Timings:
    DMT 0x52:  1920x1080   60.000 Hz  16:9    67.500 kHz 148.500 MHz
    DMT 0x55:  1280x720    60.000 Hz  16:9    45.000 kHz  74.250 MHz
    DMT 0x10:  1024x768    60.004 Hz   4:3    48.363 kHz  65.000 MHz
    DMT 0x09:   800x600    60.317 Hz   4:3    37.879 kHz  40.000 MHz
  Detailed Timing Descriptors:
    DTD 1:  3440x1440   84.964 Hz  43:18  127.361 kHz 458.500 MHz (1048 mm x 441 mm)
                 Hfront   48 Hsync  32 Hback  80 Hpol P
                 Vfront    3 Vsync  10 Vback  46 Vpol N
  Display Range Limits:
    Monitor ranges (GTF): 48-240 Hz V, 30-255 kHz H, max dotclock 1400 MHz
    Display Product Name: 'LG ULTRAGEAR+'
    Display Product Serial Number: '306NTVS9V399'
  Extension blocks: 3
Checksum: 0xfc

----------------

Block 1, Block Map Extension Block:
  Block   2: CTA-861 Extension Block
  Block   3: DisplayID Extension Block
Checksum: 0x9e