
DDMALL HEC-20 Wifi6 Encoder & HDD-20W HDMI Decoder for 4K Live Streaming Wirelessly
Overview The DDMALL HEC-20 is a wireless 4K HDMI encoder supporting seamless Wifi roaming without interrupting video transmission, while the HDD-20W is a 4K wireless HDMI video decoder for IP stream decoding. With built-in 5G+2.4G Wifi anntenas, both the encoder and decoder are empowered with strong wireless network connection. they feafure in mini form factors and low power consumption. Both are powered with USB connection, make you stream without cable issue. The streaming encoder supports HDMI input in 2160p@30Hz, encoding output in 2160p@30Hz, and HDMI loopout in 2160p@30Hz at most; while the HDMI decoder support IP stream input in 2160p@60Hz, and decoding HDMI output in 2160p60Hz at most. The HEC-20 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