Specifications:
Video:

• Compression format: H.264 main profile.
• Resolution: 4-channel CIF, or 2-channel D1 and CIF for real-time video recording.

Audio:

• Compression formats: G.726/PCM/AMR.
• Audio input: 2-channel to input audio.
• Power: 9 to 40V DC.
• Operating temperatures: -30 to 75°C.

GPS:

• GPS channels: 50.
• Accuracy of position: 2.5m CEP.
• Sensitivity: >160dBm.
• Cold boot time: <27 seconds.
• Warm boot time: <8 seconds.
• Storage: 32/64GB SD card.
• Network: 3G network TD-SCDMA/EVDO/WCDMA (optional).
• Wi-Fi: supported.

Features:

• Video/audio: record and storage the A/V in SD card.
• GPS: adopt GPS to position the vehicle, provide real-time information to control center.
• Dispatching: work with the intelligent dispatching system to dispatch the bus and driver automatically or manually, announce the dispatch text through TTS sound box.
• Speed limitation: limit the speed by road section, limit the traveling speed between station.
• Alarm: support over-speed driving alarm, emergency alarm, and alarm to cover of camera.
• Audio and video: support dual stream technology, 4-channel cameras to capture the image, save the audio and video in SD card, play remotely through 3G network.
• Detection: auto-detect the operating status of GPS antenna, camera and SD camera. ? Traveling recorder: save and analyze the traveling information, such as time, mileage, speed, and print out the information through serial port.
• Extended interface: there are interfaces for on-board phone, driver's control panel, coin-box, bus POS, LED ad screen, CAN-bus and ridership, to fulfill the wide application in bus.