... input 3.3G and GPS are available 4.CIF,HD1,D1 resolution 1~4 channel wireless 3G bus DVRIntroduction1,Support 4CH ... alarms: equipment malfunction alarm, high and low speed alarm, manual button alarm and so on.8. Fully enclosed structure, ... ΩAudio input 4CH audio inputAudio output1CH audio outputCable networkRJ45,1/100M adaptiveWireless networkGPS, 3G real-time transmission videoSupporting softwarePC ...