AI
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AI Video |
ADAS, DMS, Road Sign Recognition (customizable)
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Audio and Video
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Audio input |
1st channel audio input: built-in MIC input (supports intercom, two-way calling, and recording
or listening for channels 1 and 2)
2nd channel audio input supported
3rd channel AHD camera audio input requires camera support (for recording or listening)
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Audio output |
1 channel built-in speaker output,
1 channel external display screen with built-in speaker output
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Audio compression |
G.726/G.711a/AAC
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Recording method |
Regular recording and AI alarm recording; synchronized audio and video recording
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Video input |
Option 1: MAX 4 channels, built-in 2K ADAS + built-in 1080P DMS + external 2 channels 720P AHD
cameras (optional)
Option 2: MAX 3 channels, built-in 2K ADAS + external 2 channels 720P AHD cameras (optional)
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Video output |
1 channel CVBS aviation plug output (level: 1.0Vp-p, impedance: 75Ω)
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Video search & playback |
Search and playback by channel, recording type, bitrate type, or time
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Video compression |
H.264/H.265 configurable, default H.265
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Communication and Positioning
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GSM |
4G (LTE CAT 4), 3G, 2G
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GNSS antenna |
GPS/BeiDou/GLONASS
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Wi-Fi |
802.11b/g/n, frequency 2.4G, supports AP/STA mode, can connect to MM+ APP for parameter
configuration via button press
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Short-range Wireless Communication |
Supports master-slave dual mode, can read Short-range Wireless accessories
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Positioning mode |
GPS/GPS_BEIDOU/GPS_GLONASS
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Power Supply
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Rated voltage |
DC: 11.4-40V, rated 12V 2A, external power box, available in N1 and N2 versions
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Power consumption |
Main unit audio and video on with 2 built-in cameras: approx. 6W; with 2 external cameras, during
the day approx. 12.5W (13W with display), at night approx. 14W (14.5W with display).
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Hardware
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Operation system |
Linux
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Storage medium |
2* Micro SD cards, single card supports up to 1TB, Class 10 and above
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Built-in sensor |
3-axis accelerometer, supports motion and stationary detection (hardware supports
6-axis sensor)
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Operating temperature |
-20°C to 70°C (without battery)
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Dimensions |
117*70*120mm (dual cameras with bracket), 117*70*80mm (single camera without bracket)
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Weight |
310g (dual cameras without accessories), 265g (single camera without accessories)
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Frequency Band
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Africa/Europe/Middle East |
MD300-E
GSM: B3/B8
WCDMA: B1/B5/B8
LTE-FDD: B1/B3/B5/B7/B8/B20/B28
LTE-TDD: B38/B40
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Americas |
MD300-A
WCDMA: B2/B4/B5
LTE-FDD: B2/B4/B12
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Australia |
MD300-AU
GSM: B2/B3/B5/B8
WCDMA: B1/B2/B4/B5/B8
LTE-FDD: B1/B2/B3/B4/B5/B7/B8/B28/B66
LTE-TDD: B40
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Japan |
MD300-J
WCDMA: B1/B6/B8/B19
LTE-FDD: B1/B3/B8/B18/B19/B26
LTE-TDD: B41
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Others
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Protocol |
Meitrack protocol (CCE) + RTMP (audio & video transmission protocol,
also compatible with Meitrack's private audio & video transmission protocol)
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Certification |
CE, DLT
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Interfaces |
N1 version interfaces: SOS*1 + ACC*1 + IN/AD/OUT*2 (total 2 multiplexed) + RS232*1 +
CAN*1 + 5V_OUT*1 + DC_IN*1 + GND*1+ 1-Wire*1
N2 version interfaces: SOS*1 + ACC*1 + IN/AD/OUT*6 (total 6 multiplexed) + OUT*1
(independent) + RS232*1 + CAN*2 + 5V_OUT*1 + DC_IN*1 + GND*2 + 12V_OUT*1 +
RS485*1 + 1-Wire*1
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