Vivotek TB9331-E-35mm 720x482 Long-Range Outdoor Thermal Bullet IP Camera

Vivotek TB9331-E-35mm Thermal Bullet IP Camera

The Vivotek TB9331-E-35mm is a long-range outdoor thermal bullet camera engineered for demanding surveillance applications requiring detection across expansive areas in all weather conditions. Built with an uncooled VOx infrared detector and 35mm fixed-focal lens, this camera delivers consistent thermal imagery from borders and coastlines to industrial perimeters and critical infrastructure sites. The 720x480 effective resolution with 8–14 µm spectral range and NETD sensitivity below 50 mK ensures precise heat signature detection in fog, smoke, rain, and complete darkness where visible-light cameras are ineffective.

Key Features

• 720x480 thermal sensor with 35mm fixed lens (19.8° horizontal FOV)
• Uncooled VOx infrared detector for 24/7 operation without cooling maintenance
• Long-range detection with 20x digital zoom (5x native, 4x via IE plug-in)
• H.265, H.264, and MJPEG video compression at 30 fps with 4 simultaneous streams
• IP67-rated weatherproof enclosure rated for -50°C to 60°C operation
• Advanced video analytics: line crossing detection, field detection, loitering detection, and human detection
• Two-way audio with G.726/G.711 compression
• PoE Class 4, DC 12V, and AC 24V power inputs with simultaneous redundancy support
• microSD/SDHC/SDXC card recording plus NAS integration

Technical Specifications

The TB9331-E-35mm operates on a multimedia SoC with 512 MB RAM and 128 MB flash, processing thermal data with intelligent compression to minimize bandwidth consumption. Its 17 µm pixel size and F1.0 aperture maximize light gathering for superior thermal contrast. The camera supports up to 10 simultaneous live-view clients with adjustable resolution, quality, and bitrate control via Smart Stream II. Connectors include RJ-45 PoE/Ethernet, digital I/O, RS485, BNC, and dual audio interfaces. The unit weighs 2,115 g and measures 121 × 121 × 455.6 mm with junction box.

Security and Integration

Enterprise-grade security features include digest authentication, HTTPS, IEEE 802.1X, user access logs, and password protection. The camera supports ONVIF Profile G and S compliance, enabling seamless integration with third-party VMS platforms. Trend Micro IoT Security provides three years of free advanced threat protection. Event-driven actions trigger notifications via email, FTP, HTTP, and NAS with SD card failover. Camera tampering, motion, audio, and cybersecurity events (brute force, quarantine) activate configurable responses.

Applications

Ideal for perimeter security, border surveillance, port and coastal monitoring, utility infrastructure protection, and large industrial facility oversight. The thermal-only operation eliminates privacy concerns in residential areas while providing persistent detection independent of lighting or atmospheric conditions.

James Everett

The TB9331-E-35mm addresses a critical surveillance gap: long-range thermal detection without visible-light limitations. The 35mm lens strikes a balance between detection range and field width, making it suitable for mid-to-long-range perimeter monitoring. Its NETD rating ensures human detection at extended distances, while human detection analytics reduce false positives from environmental heat sources.

PoE power delivery simplifies deployment in remote locations, and IP67 durability eliminates environmental concerns. The four-stream H.265 capability optimizes bandwidth for organizations deploying multiple thermal units. Compared to cooled thermal cameras, this uncooled design trades maximum sensitivity for operational simplicity and lower total cost of ownership—a pragmatic choice for continuous outdoor operation.