Overview
The DDMALL HED-4KW is a wireless HDMI encoder supporting seamless AP roaming on the LAN without interrupting video transmission, while the HDD-20W is a wireless HDMI video decoder for IP stream decoding. Both the encoder and decoder are with built-in 5G+2.4G Wifi anntena for network connection, streaming without cable issue.
The HED-4KW Parameters
General |
Power Supply | 5V/1 A (USB cable powered) |
Power Consumption | 3.4W |
Operating Temperature | -10~55℃ (14~149℉) |
Storage Temperature | -20~85℃ (-4~185℉) |
Operating Humidity | 10%- 90%RH (Non-condensing) |
Weight | 46.4g/0.102lbs |
Dimension (L*W*H) | 110.2×38.4×18.45mm/ 4.34×1.52× 0.73in |
MTBF | 30,000H |
Video |
Input Standard | HDMI 1.4A |
Video Codec | H.265/HEVC and H.264/AVC |
Supported Protocols | SRT, HLS, RTP, RTSP, RTMP, RTMPS, UDP, TCP, Low Latency, Multicast and Unicast. |
Supported Input Resolution | 2160p@30/25/24Hz, 1080p@60/50/30/25/24/23Hz, 720p@60/50/30Hz |
Supported Local Loop-Out | 2160p@30/25/24Hz, 1080p@60/50/30Hz, 720p@60/50/30Hz, 960×720@60/50/30Hz, 960×540@60/50/30Hz, 640×480@60/50/30Hz, 360×200@60/50/30Hz. |
Supported Output Resolution |
2160p@30/25/24Hz, 1080p@60/50/30Hz, 720p@60/50/30Hz, 960×720@60/50/30Hz, 960×540@60/50/30Hz, 640×480@60/50/30Hz, 360×200@60/50/30Hz. The frame rate can be selected by yourself. The primary stream supports a maximum of 3840*2160@30Hz, secondary stream supports a maximum of 1080p@60Hz |
Video Bitrate |
128Kbps~64Mbps |
Audio |
Input Standard | HDMI |
Audio Encoding Format | G.711u, AAC |
Audio Bitrate | 32kbps~256Kbps |
System |
Wireless Standard | 802.11a/n/ac 5G,802.11b/g/n 2.4G |
Control Method | Web UI |
AP Mode Wi-Fi Info | SSID:HED4KW;password:12345678 |
AP Mode Default IP | 192.168.1.252 |
Default Web UI Login Credentials | user/password: admin/admin |
GOP | Tunable |
Compression Profile | BaseLine, Main, High |
The HDD-20W Parameters
Power Supply | 5V/1 A (USB cable powered ) | Power Consumption | 2.6W |
Work Temperature | 10~65℃ (14~149℉) | Storage Temperature | -20~85℃ (-4~185℉) |
Work Humidity | 10%- 90%RH (Non-condensing) | Product Weight | 25g/0.055lbs |
Product Dimension | 75x32x15mm/2.95x1.26x0.59in | MTBF(mean time between failures) | 30,000h |
Video Input Standard | HDMI 2.0 | Video Codec | H.265/HEVC and H.264/AVC |
Supported Protocols | RTSP, ONVIF, UDP, TCP, | Supported Output Resolution |
3840*2160p@60/50/30/25/24Hz, 1920*1080p@60/50/30/25/24Hz, 1920*1080i@60/50Hz, 1280*720p@60/50Hz |
Supported Stream Input Resolution |
3840*2160@60/30Hz,1920*1080p@60/30Hz, 1280*720p@60/30Hz |
Audio Input Standard | HDMI embedded audio input, 3.5mm analog |
Audio Encoding Format |
G.711u, AAC |
Compression Profile | BaseLine, Main, High |
Control Method |
Web UI |