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Product Overview
The K6204 is a 4-channel HDD/SSD mobile DVR designed for video recording, vehicle monitoring, and fleet management. It can connect up to four AHD cameras to provide coverage around trucks, buses, construction machinery, and other commercial vehicles.
The recorder supports one 2.5-inch HDD or SSD as its main storage device, together with one TF card. Built-in 4G, GPS/BD positioning, and wired LAN support connected fleet projects, while WiFi is available on the K6204-G6. Remote functions depend on the selected CMS platform, network, and project configuration.
Different K6204 configurations are available for basic recording or connected fleet applications. This makes the system suitable for both standalone vehicle surveillance and centralized fleet monitoring projects.
View more options on our mobile DVR systems page.
Designed for Commercial Vehicles
- Up to four AHD vehicle camera inputs
- 2.5-inch HDD or SSD storage support
- Additional TF card storage
- Optional 4G, WiFi, and GPS connectivity
- Live view and remote video access with a compatible platform
- Suitable for trucks, buses, fleets, and construction vehicles
Key Features of the K6204 Mobile DVR
The K6204 combines four-channel vehicle recording, flexible local storage, vehicle power protection, alarm interfaces, and remote connectivity in one mobile DVR.
4CH AHD Recording
Connect up to four AHD vehicle cameras through secure aviation connectors. The recorder supports 1080P, 720P, D1, and CIF recording resolutions.
HDD / SSD + TF Storage
Supports one 2.5-inch HDD or SSD together with one TF card. Loop recording helps manage storage during continuous vehicle operation.
H.265 Video Compression
H.265 and H.264 compression options help balance recording quality, storage usage, and network bandwidth.
Vehicle Power Protection
DC 8–36V input supports commercial vehicle electrical systems, with protection against overload, short circuit, reverse polarity, overvoltage, and undervoltage.
4G and GPS Connectivity
Built-in 4G and GPS/BD positioning support connected fleet projects. Wired LAN is supported, while WiFi is available on the K6204-G6.
Alarm and Expansion Interfaces
Eight alarm inputs, two alarm outputs, serial ports, peripheral power outputs, and optional AI functions support project-specific integration.
K6204-G4 and K6204-G6 Configurations
Both configurations share the main recording, storage, 4G, positioning, and vehicle interface functions. The confirmed difference is WiFi support on the K6204-G6.
| Function | K6204-G4 | K6204-G6 |
|---|---|---|
| Video Input | 4CH AHD | 4CH AHD |
| Main Storage | 1 × 2.5-inch HDD or SSD | 1 × 2.5-inch HDD or SSD |
| Additional Storage | 1 × TF card | 1 × TF card |
| 4G Connectivity | Supported | Supported |
| GPS / BD Positioning | Supported | Supported |
| Wired LAN | Supported | Supported |
| WiFi | Not supported | Supported |
| Optional AI Algorithms | Available by configuration | Available by configuration |
Please confirm the destination country, mobile network frequency bands, platform requirements, and AI functions before selecting the final model.
How the K6204 4CH Mobile DVR System Works
The K6204 connects up to four AHD cameras with local video storage, a driver monitor, GPS positioning, vehicle power, and remote fleet management through 4G or a wired network.
1. Capture Vehicle Video
Up to four AHD vehicle cameras connect to the K6204 through secure aviation connectors. The cameras can cover the front, rear, sides, cabin, or cargo area of the vehicle.
2. Record and Store
The K6204 compresses the footage in H.265 or H.264 format and records it on one 2.5-inch HDD or SSD together with one TF card. Loop recording supports continuous vehicle operation.
3. Display and Manage
Camera video can be viewed locally through the connected driver monitor. A compatible CMS platform can provide remote video access, playback, positioning, event management, and fleet monitoring.
For projects that need a compact camera-integrated recorder instead of a separate HDD or SSD unit, compare our 4G AI dash cam solution .
HDD and SSD Storage Options
The K6204 supports one 2.5-inch HDD or SSD as the main storage device. It also supports one TF card for additional vehicle video storage.
A hard disk can be suitable when storage capacity and cost are the main priorities. An SSD has no moving mechanical parts and is often preferred for vehicles operating in environments with frequent vibration.
The system supports loop recording, video search by time or recording mode, multi-channel synchronous playback, and fast forward or reverse playback.
Storage capacity is not stated here because supported capacity can depend on the selected drive, firmware, recording resolution, frame rate, and project configuration.
Storage Structure
- 1 × 2.5-inch HDD or SSD
- 1 × TF card
- H.265 or H.264 video files
- Automatic loop recording
- USB video export
- Optional external fireproof backup box
Please confirm drive capacity, interface compatibility, formatting, and required recording time before purchasing an HDD or SSD locally.
For fleets that need high-capacity local storage, the K6204 4-channel HDD/SSD mobile DVR supports four AHD cameras, built-in 4G and GPS, removable HDD or SSD storage, and optional AI functions.
4G, WiFi, GPS, and Fleet Platform Support
The K6204 provides several network and positioning interfaces for fleet projects. Available remote functions depend on the selected model, network, SIM card, CMS platform, and software configuration.
Built-in 4G
Cellular connectivity can support remote vehicle monitoring, video access, event management, and communication with a compatible fleet platform.
GPS / BD Positioning
The positioning module supports GPS/BD and GPS/GLONASS configurations for vehicle location and route-related fleet functions.
Wired LAN
An RJ45 network port is available for wired network connection or supported project integration.
WiFi on K6204-G6
WiFi and the WiFi antenna interface are supported only by the K6204-G6 configuration.
CMS Platform
A compatible CMS client can provide video playback, analysis, device management, and other fleet functions.
Two-Way Intercom
The SPK interface can connect an intercom handset or speaker for communication between the vehicle device and platform.
Optional ADX and ADXB configurations can add driver assistance and monitoring functions. Learn more about driver behavior monitoring for commercial fleets .
Alarm and Expansion Interfaces
Multiple alarm, serial, power, and communication interfaces allow the K6204 to work with vehicle signals and external accessories.
| Interface | Quantity | Typical Function |
|---|---|---|
| Alarm Input | 8CH | Door sensor, left turn, right turn, reverse, and other vehicle trigger signals |
| Alarm Output | 2CH | External relay, sound and light warning device, or project-specific output |
| RS232 | 2 ports | Connection to supported sensors, card readers, and peripheral devices |
| RS485 | Optional or reserved | Subject to final configuration |
| 12V Power Output | 1 output | Power supply for supported external sensors |
| 5V Power Output | 1 output | Power supply for supported low-voltage peripherals |
| Pulse Speed | Optional | Vehicle pulse speed signal input |
| SPK Interface | 1 interface | Intercom handset or external speaker connection |
Technical Specifications
The following specifications describe the current K6204 series. Final functions should be confirmed according to the selected model, network version, AI configuration, and project requirements.
System, Video, and Recording
| Item | Specification |
|---|---|
| Operating System | Embedded Linux |
| Video Compression | H.265 / H.264 |
| Video Input | 4CH, aviation plug, 1.0Vp-p, 75Ω |
| Video Output | 1CH CVBS mixed output + 1CH VGA output |
| Video Resolution | 1080P / 720P / D1 / CIF; maximum listed as 4CH 1080P at 60 fps |
| Preview | Single-channel or multi-screen preview; manual or event-triggered full-screen display |
| Recording Modes | Automatic, ACC, manual, and alarm recording |
| Audio Input | 4CH, aviation plug |
| Audio Output | 1CH, aviation plug |
| Audio Compression | G.711a |
| OSD | Time, date, vehicle ID, and other supported information |
| Playback | Multi-channel synchronous playback; 2×, 4×, 8×, and 16× fast forward or reverse |
| Firmware Upgrade | HDD/SSD, TF card, USB drive, or remote network upgrade |
Storage, Network, Power, and Environment
| Item | Specification |
|---|---|
| Main Storage | 1 × 2.5-inch HDD or SSD, loop recording |
| Additional Storage | 1 × TF card, loop recording |
| USB | 2 ports; front USB for export or upgrade, rear USB for optional fireproof backup box |
| 4G | Built-in; frequency version selected by destination market |
| WiFi | K6204-G6 only |
| Wired Network | RJ45 LAN |
| Positioning | GPS/BD or GPS/GLONASS module |
| Alarm I/O | 8 alarm inputs + 2 alarm outputs |
| Serial Ports | 2 × RS232; RS485 optional or reserved, subject to final configuration |
| G-Sensor | Supported |
| Input Voltage | DC 8–36V |
| Power Consumption | Maximum 5W during normal operation; 0.5W standby |
| Power Management | Timed power on/off and configurable delayed power shutdown |
| Operating Temperature | −20°C to +70°C |
| Operating Humidity | 20% to 80% |
| Dimensions | 175(L) × 173(W) × 67(H) mm |
| Password Security | User and administrator password management |
Technical Specifications
The following specifications describe the current K6204 series. Final functions should be confirmed according to the selected model, network version, AI configuration, and project requirements.
System, Video, and Recording
| Item | Specification |
|---|---|
| Operating System | Embedded Linux |
| Video Compression | H.265 / H.264 |
| Video Input | 4CH, aviation plug, 1.0Vp-p, 75Ω |
| Video Output | 1CH CVBS mixed output + 1CH VGA output |
| Video Resolution | 1080P / 720P / D1 / CIF; maximum listed as 4CH 1080P at 60 fps |
| Preview | Single-channel or multi-screen preview; manual or event-triggered full-screen display |
| Recording Modes | Automatic, ACC, manual, and alarm recording |
| Audio Input | 4CH, aviation plug |
| Audio Output | 1CH, aviation plug |
| Audio Compression | G.711a |
| OSD | Time, date, vehicle ID, and other supported information |
| Playback | Multi-channel synchronous playback; 2×, 4×, 8×, and 16× fast forward or reverse |
| Firmware Upgrade | HDD/SSD, TF card, USB drive, or remote network upgrade |
Storage, Network, Power, and Environment
| Item | Specification |
|---|---|
| Main Storage | 1 × 2.5-inch HDD or SSD, loop recording |
| Additional Storage | 1 × TF card, loop recording |
| USB | 2 ports; front USB for export or upgrade, rear USB for optional fireproof backup box |
| 4G | Built-in; frequency version selected by destination market |
| WiFi | K6204-G6 only |
| Wired Network | RJ45 LAN |
| Positioning | GPS/BD or GPS/GLONASS module |
| Alarm I/O | 8 alarm inputs + 2 alarm outputs |
| Serial Ports | 2 × RS232; RS485 availability to be confirmed |
| G-Sensor | Supported |
| Input Voltage | DC 8–36V |
| Power Consumption | Maximum 5W during normal operation; 0.5W standby |
| Power Management | Timed power on/off and configurable delayed power shutdown |
| Operating Temperature | −20°C to +70°C |
| Operating Humidity | 20% to 80% |
| Dimensions | 168(L) × 143(W) × 56(H) mm |
| Password Security | User and administrator password management |
Where Can the K6204 Mobile DVR Be Used?
The K6204 is suitable for commercial vehicles and mobile surveillance projects that require four-channel recording, local storage, vehicle signals, or remote fleet access.
Trucks and Logistics Fleets
Record front, rear, side, and cargo-area video for transport, delivery, and fleet management projects. Explore more truck camera system applications .
Buses and School Buses
Support road, cabin, entrance, and rear-area recording for passenger transport and school bus operations.
Taxis and Service Fleets
Provide local recording and optional connected fleet functions for taxis, service vehicles, and mixed commercial fleets.
Construction Vehicles
Record multiple views around loaders, excavators, dump trucks, and worksite vehicles. View more construction vehicle camera solutions .
Dangerous Goods Vehicles
Support video recording, vehicle trigger inputs, positioning, and project-specific fleet supervision.
Special Mobile Projects
Suitable for special-purpose vehicles, mobile equipment, and selected marine surveillance applications requiring multi-channel recording.
K6204 Mobile DVR FAQ
These answers cover the main recording, storage, network, and optional function questions for K6204 projects.
How many cameras can the K6204 connect?
The K6204 supports four AHD video and audio input channels through aviation plug connectors. The specification lists support for 1080P, 720P, D1, and CIF recording resolutions.
Can the K6204 use an HDD or SSD?
Yes. It supports one 2.5-inch HDD or SSD together with one TF card. Confirm the supported drive model, capacity, and formatting requirements before purchasing storage separately.
What is the difference between K6204-G4 and K6204-G6?
The confirmed difference is WiFi. The K6204-G6 supports WiFi and has a WiFi antenna interface. WiFi is not supported on the K6204-G4.
Does the K6204 support remote fleet monitoring?
The recorder supports 4G, wired LAN, GPS/BD positioning, and a compatible CMS platform. Remote video, playback, analysis, and management functions depend on the platform, mobile network, and selected software configuration.
Will recording continue after the vehicle ignition is turned off?
The K6204 supports configurable delayed power shutdown. This allows the system to continue operating for a selected period after the ACC signal is turned off.
How can recorded video be exported?
Video can be searched and played back from the storage devices. The front USB port can also be used with a USB drive for video export or firmware upgrades.
Does the K6204 support AI functions?
AI is optional. The ADX configuration includes ADAS, DMS, and seat belt detection. The ADXB configuration adds two-channel BSD. The required cameras, software, and calibration should be confirmed for each project.
Which 4G frequency version should I select?
The correct 4G module depends on the destination country and mobile operator. Please provide the country and carrier before ordering so the supported LTE frequency bands can be confirmed.
Request a K6204 Mobile DVR Configuration
Different vehicles require different cameras, storage capacity, cables, antennas, network versions, and software functions.
Send us your vehicle type and recording requirements. We can help confirm whether the K6204-G4 or K6204-G6 is the more suitable configuration for your project.
You can also compare other mobile DVR systems for commercial vehicles before making your selection.
Request a QuotePlease Provide
- Vehicle type and quantity
- Number and type of cameras
- Required recording time
- HDD, SSD, and TF card requirements
- Need for 4G, WiFi, GPS, or remote monitoring
- Required AI or alarm functions
- Destination country and mobile operator
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