Overview
Introduction of YHJ3.7(D) 4G Body Worn Camera
YHJ3.7 (D) is a 4G Wifi Body Camera and an intrinsically safe device. It has passed the Ex explosion-proof certification, is equipped with the Linux system, and features high-definition video recording, 4G/Wi-Fi communication, and IP68 protection. It is suitable for hazardous environments such as underground coal mines and petrochemicals. It can also be used for police law enforcement and outdoor adventure photography.
Feature of YHJ3.7(D) 4G Body Worn Camera
1) Dual explosion-proof certification: Suitable for operation in both gas and combustible dust hazardous environments.
2) Versatile video recording: Supports multiple resolutions, including optional HDR 1080p30, delivering clear and detailed footage.
3) Dual 4G and Wi-Fi connectivity: Enables remote management, live streaming, and video uploading for real-time monitoring.
4) Robust protection and adaptability: IP68-rated with an operating temperature range of -40℃ to +60℃, ensuring reliable performance in harsh conditions.
5) Ample storage and long battery life: Supports 32GB to 256GB storage and is powered by a 4200mAh battery, providing extended usage and secure data retention.
Detail photos of YHJ3.7(D) 4G Body Worn Camera
Product parameters of YHJ3.7(D) 4G Body Worn Camera
| Explosion-proof mark | Ex ib IIC T4 Gb Ex ib IIIC T130℃ Db | |
| Operating system | Linux 4.19.63 | |
| Startup time | ＜6 s | |
| Language | English | |
| Lens | Lens Angle: 120°(HOV | |
| USB | Type-C, 1 USB2.0 port, can be used for system upgrades, PC communication, charging, etc | |
| Video | Video input | 1x built-in digital high-definition lens, supports an external 1080p30 camera (optional) |
| Video output | 2-inch full HD LCD display (480x360) | |
| Video resolution | 30fps @(720p/1080p/1296p /1440p), optional bandwidth dynamic HDR1080p30 sensor (optional) | |
| Video recording method | Synchronous audio and video recording | |
| Compression standard | Video compression :H.264 / H.265; Audio compression: AAC | |
| Audio | Audio input | 1x microphone input |
| External audio interface | 1x Headphone jack | |
| Recording | Supports individual recording, and the audio file format is WAV | |
| Image processing | Image transmission resolution | 720P/ 1080P |
| Take a photo | 2M, 16M, 32M, 64M | |
| Snapshot | Support snapshot capture in video recording mode | |
| Network communication | Agreement | TCP/IP,GB28181,RTSP |
| 4G | Built-in 4G module (WCDMA/FDD-LTE/TDD-LTE) | |
| Wi-Fi | Supports Client mode and AP mode (supports wireless connection, used for live video streaming or uploading video files to cloud servers) | |
| GPS (optional | The optional module supports BDS/GPS/GLONASS, recording location information and speed information | |
| Single Beidou | Supports (GPS/ Beidou dual-mode is also optional) | |
| Alarm | Support | |
| Software upgrade | This machine supports upgrade via USB interface or remote upgrade | |
| Auxiliary light source | White light lamp | Auxiliary lighting |
| Infrared mode | When the light is low, the infrared lamp can be automatically or manually turned on to enhance the shooting effect | |
| Intercom function | Cluster intercom(Optional) | Support the cluster intercom function among terminal devices |
| Platform intercom(Optional) | Support the intercom function between the management platform and terminal devices | |
| Supporting software | PC Playback analysis(Optional) | Play back the video file on the PC and simultaneously split the data information within the file |
| CMSV6 Platform Management Software (Optional) | Supports real-time preview, real-time positioning, trajectory playback, intercom, monitoring, remote command issuance, etc | |
| Software information | Image playback | Support local video playback |
| Playback speed | Supports fast/slow playback from 1 to 128 times | |
| Pre-recording and extended recording | Support | |
| Video segmentation | Supports 5-minute /10min/15min/30min segmentation | |
| Password protection | Support | |
| Automatic overwrite | Supports automatic overwriting/non-overwriting | |
| Memory | Built-in 32GB TF card (32 to 256GB optional) | |
| Battery | 4200mAh | |
| Working environment | ||
| Temperature | -20℃～+50℃ | |
| Relative humidity | ≤95％(25℃) | |
| Atmospheric pressure | 80 kPa～106kPa | |
| Storage temperature | -40℃～+60℃ | |
| Applicable places | It can be used in Zone 1 and Zone 2, and in gas environments of Class IIA, IIB and IIC. At the same time, it can also be used in combustible dust environments. | |
| Protection grade | IP68(1.2m，30min) | |
FAQ about YHJ3.7(D) 4G Body Worn Camera
Q1: What external devices can the equipment be connected to?
A1: It can be externally connected to a 1080p30 camera or headphones, and can be upgraded or communicated with a PC via USB.
Q2: How to upgrade the software in Q2?
A2: It can be upgraded locally via the USB interface and also supports remote upgrades.
Q3:What are the available segment durations for Q3 video recording?
A3: Supports four segment durations: 5 minutes, 10 minutes, 15 minutes, and 30 minutes.
Q4: Is the GPS function equipped by default?
A4:GPS is optional, supporting BDS/GPS/GLONASS, and Beidou dual-mode is also available.
Q5: What should be done when the storage is full?
A5: Supports automatic overwrite or no overwrite mode, which can be set as needed.
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Time：2026-01-19
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