1. Suitable for HSDPA wireless data card for fluent&clear high-rate(H.264) video transmission, LAN and Internet(ADSL,Cable Modem) are also supported. 2. User-friendly client software, supporting B/S mode surveillance, system-updating and control via HSDPA wireless video web server. 3. Support remote surveillance by cellphone. 4. Support remote video capturing and image mask function. 5. Supporting two party simultaneously voice communication and single party voice broadcast. 6. Support up to 10 users to monitor at the same time with user-rights control. 7. Support Wi-Fi model: USB-G802, RT2571, CP311. 8. Scheduling to be turned on & off in specific time. 9. Outputting video information with time and words. 10. Incident warning: when it is triggered, the system will alarm remotely when the web-camera signal gets lost or the scheduled objective is moving. 11. Complete back-stage management function for daily record, alarm and end-users. 12. Internal hardware watch-dog function: monitoring system chip&software's working status, restart the system automatically when system breaks down.