M503 All-in-One Vehicle Telematics & Active Safety Terminal
Product Over view
The M503 is an integrated, display-equipped automotive active safety product that combines satellite positioning, video surveillance, and advanced driver assistance functions. It supports fleet monitoring, operational management, dispatching, driving safety, and standardized driver behavior. Powered by cutting-edge deep learning algorithms, including Advanced Driver Assistance System (ADAS), Driver Monitoring System (DMS), and Lane Change Assist (LCA), it performs reliably in complex driving scenarios to enhance road safety, operational efficiency, and user experience. By embedding artificial intelligence into vehicle operation, it further promotes safe and standardized driving habits.
Compliant with national standards including JT/T808, JT/T905, and JT/T1078, the M503 satisfies video surveillance and driver behavior management requirements for ride-hailing, taxi, and logistics fleets. Supporting up to 5 channels of 1080P video input, it features a streamlined design, excellent vibration resistance, flexible installation, powerful functionality, and high reliability.
Technical Specifications
System
Operating Language: Chinese / English
Operating System: Linux
User Interface: APP, web portal, and touchscreen display for parameter configuration
GUI: Supported
Processor
CPU: 32-bit RISC CPU 1GHz, 1T NPU
Computing Power: 1T
RAM: 2Gb DDR3
Flash: 128Mb NAND Flash
Video & Recording
Video Input: 5-channel AHD 1080P/720P
Video Output: Built-in 720P HD display
Video Standard: PAL / NTSC
Video Compression: H.264
Preview Mode: Single-channel or 5-screen split preview; manual or event-triggered full-screen display
Recording Quality:
Main Stream: Resolution 1920×1080 / 1280×720; Frame rate 1-25 fps; Bit rate 256Kbps-6Mbps
Sub Stream: Resolution 720×576 / 720×480 / 640×360; Frame rate 1-15 fps; Bit rate 256Kbps-2Mbps
Recording Modes: Auto recording (default); ignition, alarm, time-lapse, and alarm clip recording
Audio
Audio Input: 1-channel, with built-in MIC on CH1/CH2
Audio Output: 1-channel, built-in speaker (≤8Ω 1.5W)
Compression Format: AAC / G.711A
Recording: Synchronized audio and video recording
Alarm I/O
Alarm Input: 5 channels (ACC, left turn, right turn, general input, SOS one-key alarm)
Alarm Output: 3-channel low-level output; supports remote fuel/power cut-off (relay optional)
Communication Interface
Serial: 2×RS232 (expandable for card readers, fuel sensors, etc., reserved on mainboard)
4G Wireless: Built-in 4G (optional); supports voice calls and low-power heartbeat
China CAT4: TDD LTE B34/B38/B39/B40/B41; FDD LTE B1/B3/B5/B8; WCDMA B1/B8
Europe Version: TDD LTE B38/B40/B41; FDD LTE B1/B3/B7/B8/B20/B28; WCDMA B1/B8
Wi-Fi: 802.11b/g/n 2.4G (built-in antenna)
Positioning & Sensors
GNSS: Built-in GPS / BeiDou module
Sensor: Built-in 3-axis accelerometer
Storage
SD Card: Dual SD card design; single card supports up to 512GB (default)
Upgrade: SD card upgrade; FTP remote automatic upgrade
File Format: TS
SIM Card: 1×SIM slot
AI Algorithms
ADAS: Forward collision warning, lane departure warning, pedestrian detection, following distance monitoring
DSM: Fatigue driving detection, smoking detection, obstruction detection, unsafe driving behavior detection, facial recognition
BSD: Front, rear, left, and right blind-spot detection (optional, requires external camera)
Power & Environment
Power Input: DC 9V-36V wide voltage; protection against overload, over-voltage, under-voltage, short circuit, and reverse polarity
Power Control: Timer power on/off, delayed power off supported
Power Failure Protection: 2×5F/3.3V farad capacitors (optional); ensures recording integrity during unexpected power loss
Power Consumption: <2W (normal operation, without peripherals)
Operating Temperature: -20°C to +70°C
Operating Humidity: 10%-90%
Compliance & Security
Password Protection: Web menu under development
Platform Access: JT/T808-2013, JT/T808-2019, JT/T1076-2016, JT/T1078-2016
Mechanical
Dimensions: 25 × 17 × 3.5 cm
Net Weight: 1.45 kg