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As a complete end-to-end solution, the VE1821 comes as a kit that contains a transmitter and a receiver, extending HDMI signals at 4096 x 2160 / 3840 x 2160 @ 30 Hz (4 : 4 : 4) up to 40 m via a Cat 6 cable (ATEN 2L-2910 recommended). Crystal-clear video presentation is guaranteed thanks to its capability of transmitting 4K sources without latency. Meanwhile, it supports lossless audio formats, such as LPCM 7.1CH, Dolby TrueHD, Dolby Digital Plus, and DTS-HD Master Audio, to add superior sound to the video content, enhancing the experience for the viewers.

| Function | VE1821R | VE1821T |
| Video Input | ||
| Interfaces | N/A | 1 x HDMI Type A Female (Black) |
| Impedance | N/A | 100 Ω |
| Max. Distance | N/A | 3 m |
| Video Output | ||
| Interfaces | 1 x HDMI Type A Female (Black) | 1 x HDMI Type A Female (Black) |
| Impedance | 100 Ω | 100 Ω |
| Max. Distance | 3 m | 3 m |
| Video | ||
| Max. Data Rate | 10.2Gbps (3.4Gbps per lane) | 10.2Gbps (3.4Gbps per lane) |
| Max. Pixel Clock | 340 MHz | 340 MHz |
| Compliance | HDMI (3D, Deep Color, 4K) HDCP1.4 Compatible | HDMI (3D, Deep Color, 4K) HDCP1.4 Compatible |
| Max. Resolutions / Distance | Up to 4K@30m (Cat5e), 40m (Cat 6/ATEN 2L-2910); 1080p@35m (Cat5e), 50m (Cat 6/2L-2910) *4K supported: 4096 x 2160 / 3840 x 2160 @ 30Hz (4:4:4) | Up to 4K@30m (Cat5e), 40m (Cat 6/ATEN 2L-2910); 1080p@35m (Cat5e), 50m (Cat 6/2L-2910) *4K supported: 4096 x 2160 / 3840 x 2160 @ 30Hz (4:4:4) |
| Audio | ||
| Input | N/A | 1 x HDMI Type A Female (Black) |
| Output | 1 x HDMI Type A Female (Black) | N/A |
| Control | ||
| IR Channel | 1 x Mini Stereo Jack Female (Black); Single way bypass channel from receiver to transmitter | 1 x Mini Stereo Jack Female (Black); Single way bypass channel from receiver to transmitter |
| Switches | ||
| Mode Switch | N/A | EDID Mode Selection (Read EDID from Transmitter HDMI output or Receiver HDMI output) |
| Connectors | ||
| Power | 1 x RJ-45 Female (Power over Cable, power supply from VE1821T) | 1 x DC Jack (Black) with locking |
| Unit To Unit | 1 x RJ-45 Female | 1 x RJ-45 Female |
| Power Consumption | POC:0.87W:4BTU/h | DC12V:1.86W:9BTU/h |
| Environmental | ||
| Operating Temperature | 0 - 40°C | 0 - 40°C |
| Storage Temperature | -20 - 60°C | -20 - 60°C |
| Humidity | 20 - 90% RH, Non-Condensing | 20 - 90% RH, Non-Condensing |
| Physical Properties | ||
| Housing | Metal | Metal |
| Weight | 0.12 kg ( 0.28 lb ) | 0.12 kg ( 0.28 lb ) |
| Dimensions (L x W x H) with bracket | 7.95 x 6.80 x 1.65 cm (3.13 x 2.68 x 0.65 in.) | 7.95 x 6.80 x 1.65 cm (3.13 x 2.68 x 0.65 in.) |
| Dimensions (L x W x H) without bracket | 5.75 x 6.80 x 1.65 cm (2.26 x 2.68 x 0.65 in.) | 5.75 x 6.80 x 1.65 cm (2.26 x 2.68 x 0.65 in.) |