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SMT838-9-SD MDVR Monitor
Core Features of APC Camera
1. Advanced Technology Integration
Powered by the Hi3521A chip and Linux OS, the monitor delivers high performance with H.264 compression. It supports up to 1080P resolution, ensuring clear and detailed video output.
2. Versatile Input Compatibility
The monitor accepts 4-channel AHD and CVBS inputs, covering resolutions from 1080P to D1. This flexibility allows seamless integration with various camera systems.
3.Robust Storage and Recording
Equipped with up to 1TB SD card storage, the monitor supports power-on and timed recording. Its high-resolution display ensures detailed video playback.
4.Wide Operating Range
Designed for harsh environments, the monitor operates between -30℃ and +70℃. It supports a wide input voltage range of DC 12-36V, ensuring stability in diverse conditions.
5.Flexible Installation Options
With 3 groups of I/O triggers and extension cables up to 15m, the monitor offers versatile installation solutions, enhancing ease of use.
6. Enhanced Connectivity
Optional GPS, 4G, and WIFI capabilities expand the monitor’s application range, making it suitable for modern surveillance needs.
Scenes Solutions
Application: Buses, School Bus,Freigt Truck,RV,Ship & Crane,Forklifts,Emergency & Rescue,Tax,Rail Transit,Agricultual Vehicles,etc.
Truck
School Bus

RV
Taxi
Large Truck
Forklift
Bus
Emergency & Rescue
Core Features of APC Camera
1. Advanced Technology Integration
Powered by the Hi3521A chip and Linux OS, the monitor delivers high performance with H.264 compression. It supports up to 1080P resolution, ensuring clear and detailed video output.
2. Versatile Input Compatibility
The monitor accepts 4-channel AHD and CVBS inputs, covering resolutions from 1080P to D1. This flexibility allows seamless integration with various camera systems.
3.Robust Storage and Recording
Equipped with up to 1TB SD card storage, the monitor supports power-on and timed recording. Its high-resolution display ensures detailed video playback.
4.Wide Operating Range
Designed for harsh environments, the monitor operates between -30℃ and +70℃. It supports a wide input voltage range of DC 12-36V, ensuring stability in diverse conditions.
5.Flexible Installation Options
With 3 groups of I/O triggers and extension cables up to 15m, the monitor offers versatile installation solutions, enhancing ease of use.
6. Enhanced Connectivity
Optional GPS, 4G, and WIFI capabilities expand the monitor’s application range, making it suitable for modern surveillance needs.
Scenes Solutions
Application: Buses, School Bus,Freigt Truck,RV,Ship & Crane,Forklifts,Emergency & Rescue,Tax,Rail Transit,Agricultual Vehicles,etc.
Truck
School Bus

RV
Taxi
Large Truck
Forklift
Bus
Emergency & Rescue
Specification
Item | Parameter | |
Plan | Hisilicone 3521A | |
System language | Chinese, Traditional Chinese, English, Russian, Korean, and others (customizable) | |
Video compression format | H. 264 | |
OSD | Character overlay function, supporting image overlay of time and date, channel characters, segmentation borders, vehicle information, etc | |
Video and recording system | Video input | 4CH AHD1080P/960P/720P and 960H, D1 (CVBS) video inputs; 2CH HD+2CH SD, 3CH HD+1CH SD, 1CH HD+3CH SD video input; Compatible with mixed input of CVBS and AHD signals; Compatible with mixed input of PAL and NTSC formats; |
Preview function | 6 multi screen mode splicing preview, supporting manual/voltage triggered full screen display function | |
Display resolution | 1024*600 | |
Video resolution | 1920*1080 | |
Video image quality | Ultra clear, high-definition, standard, and regular 4-level video recording adjustable | |
Video recording method | Automatic recording upon startup/timed recording | |
Audio | Audio input | Not support |
Audio output | Not support | |
Compression format | G. 726 compression format | |
Optional function | 3G/4G | Built in 3G or 4G communication module |
GPS | Built in GPS module; Latitude, longitude, speed, etc. can be overlaid onto the video file, and can also be uploaded wirelessly | |
WIFI | Built in WIFI module | |
Speed sensor | Not support | |
RS232/485 | Not support | |
Trigger input | 3 sets of I/O triggers, supporting full screen display triggered by 12-24V power supply | |
Memory card | SD | Supports 1TB storage card, automatic full disk deletion, and cyclic overwrite |
Upgrade method | Support SD video card upgrade | |
Storage method | Exclusive bare disk storage method: real-time saving, no leakage of seconds | |
USB | No | |
Video replay | Video search | You can choose from the last three days, last week, last two weeks, last month, all, etc; |
Playback | 4CH synchronous playback, supporting pause, fast forward, and rewind | |
Supports fast forward or rewind at speeds of 2, 4, and 8 times | ||
Power supply and consumption | Power management | Adaptive wide range power input, with protection functions such as low voltage, overvoltage, reverse short circuit, etc; |
Input voltage | DC:+12V~+36V (with camera operation requiring input voltage above 13V) | |
Output voltage | +11.5V/3A | |
Power waste | Normal working condition<5W (excluding display screen and camera) | |
Working environment | Temperature | -30℃ to +70℃ |
Humidity | 20% to 80% | |
Other | Size | 229mm*154mm*64mm |
Net weight | ||
Platform software | PC software and web | Vehicle information analysis, real-time video preview, voice intercom, GPS upload, alarm upload, central command issuance, parameter configuration, remote video playback and other equipment management |
Mobile software | Real time video preview, voice intercom, GPS positioning, message notification, etc | |
Software upgrade | USB | Not support |
SD | Can be used for software upgrades and video storage | |
Server | Remote upgrade of client server | |
Specification
Item | Parameter | |
Plan | Hisilicone 3521A | |
System language | Chinese, Traditional Chinese, English, Russian, Korean, and others (customizable) | |
Video compression format | H. 264 | |
OSD | Character overlay function, supporting image overlay of time and date, channel characters, segmentation borders, vehicle information, etc | |
Video and recording system | Video input | 4CH AHD1080P/960P/720P and 960H, D1 (CVBS) video inputs; 2CH HD+2CH SD, 3CH HD+1CH SD, 1CH HD+3CH SD video input; Compatible with mixed input of CVBS and AHD signals; Compatible with mixed input of PAL and NTSC formats; |
Preview function | 6 multi screen mode splicing preview, supporting manual/voltage triggered full screen display function | |
Display resolution | 1024*600 | |
Video resolution | 1920*1080 | |
Video image quality | Ultra clear, high-definition, standard, and regular 4-level video recording adjustable | |
Video recording method | Automatic recording upon startup/timed recording | |
Audio | Audio input | Not support |
Audio output | Not support | |
Compression format | G. 726 compression format | |
Optional function | 3G/4G | Built in 3G or 4G communication module |
GPS | Built in GPS module; Latitude, longitude, speed, etc. can be overlaid onto the video file, and can also be uploaded wirelessly | |
WIFI | Built in WIFI module | |
Speed sensor | Not support | |
RS232/485 | Not support | |
Trigger input | 3 sets of I/O triggers, supporting full screen display triggered by 12-24V power supply | |
Memory card | SD | Supports 1TB storage card, automatic full disk deletion, and cyclic overwrite |
Upgrade method | Support SD video card upgrade | |
Storage method | Exclusive bare disk storage method: real-time saving, no leakage of seconds | |
USB | No | |
Video replay | Video search | You can choose from the last three days, last week, last two weeks, last month, all, etc; |
Playback | 4CH synchronous playback, supporting pause, fast forward, and rewind | |
Supports fast forward or rewind at speeds of 2, 4, and 8 times | ||
Power supply and consumption | Power management | Adaptive wide range power input, with protection functions such as low voltage, overvoltage, reverse short circuit, etc; |
Input voltage | DC:+12V~+36V (with camera operation requiring input voltage above 13V) | |
Output voltage | +11.5V/3A | |
Power waste | Normal working condition<5W (excluding display screen and camera) | |
Working environment | Temperature | -30℃ to +70℃ |
Humidity | 20% to 80% | |
Other | Size | 229mm*154mm*64mm |
Net weight | ||
Platform software | PC software and web | Vehicle information analysis, real-time video preview, voice intercom, GPS upload, alarm upload, central command issuance, parameter configuration, remote video playback and other equipment management |
Mobile software | Real time video preview, voice intercom, GPS positioning, message notification, etc | |
Software upgrade | USB | Not support |
SD | Can be used for software upgrades and video storage | |
Server | Remote upgrade of client server | |
Our Vision
Packing Ways
More than a large number of warehouses meet your needs,can supply your goods at any time,and reach your destination at the earliest Look forward to working with you.

Freight Logistics
We offer a variety of logistics options for you to choose from.

Packing Ways
More than a large number of warehouses meet your needs,can supply your goods at any time,and reach your destination at the earliest Look forward to working with you.

Freight Logistics
We offer a variety of logistics options for you to choose from.
