4 Port IP Video Encoder

- Grandstream IP video encoder with 4 channels- Excellent solution for IP enabling of traditional analog cameras for professional surveillance environments- H.264 real time video compression (D1 resolution) with sharp image clarity at low-to-modest bandwidth- Industry leading SIP/VoIP for 2-way audio and video streaming to mobile phones and video phones- Embedded analytics and large pre-/post-event recording buffer- Managed with Gsurf, Grandstream's intuitive video management software that controls up to 36 cameras simultaneously- Advanced multi-streaming-rate real-time H.264, motion JPEG at D1 resolution- Audio input and output, RS485/232, PTZ control- 24MB pre-/post-event recording buffer per port- USB 2.0 port SD slot for storage/wireless network card- Integrated Power-over-Ethernet (802.3af)- Embedded video analytics including motion (up to 16 target areas) and video loss detection- SIP/VoIP support for two-way audio communications and video streaming to mobile phones and video phones- Built-in high performance streaming server to allow up to 12 simultaneous D1 viewers or 25 CIF viewers- Combine with GSurf software to support remote viewing, controlling and recording of up to 36 cameras from anywhere on the internet or corporate network (GSurf free download)- H.264 BP @level 3.0, JPEG, motion JPEG- Video resolution - Full D1: 720 x 576 (PAL), 720 x 480 (NTSC)- Max frame rate in max video resolution: 75fps/62.5fps (NTSC/PAL): 4ports at CIF at full rate, or 2 ports at D1 & 2 ports at CIF at full rate, or 4 ports at D1 at reduced rate- 32 Kbps - 2Mbps video bit rate- 4 Video inputs (BNC, voltage 1.0Vp-p, resistance 75O)- 3.55mm Line-in- 3.5mm line-out- G.711, G.726 audio compression- 4 alarm inputs- 4 alarm outputs (125VAC/.5A, 30vac/2A)- PTX control- RS485/RS232 Serial port- Motion detection (up to 16 target ares), video loss (pending)- 24MB pre-post alarm buffer (per channel)- Snapshots: trigger upon events, send via email/FTP- Multi-streaming-rate for preview and recording- Video watermark, HTTPS, password security- PoE: standard, IEEE 802.3af Class 3- SD 2.0, USB host 2.0 peripheral ports- Wifi (802.11b/g) - 5dB external antenna, GXV3504W only- SIP/VoIP supportGSGXV3504