Beskrivning
The TD Intelligence TD4001-G2 (TD4001 G2, T21) is an edge AI computing unit that adds Re-ID and behavioural analytics to TD Intelligence Re-ID sensors such as the TD1501. It processes data on site with an NVIDIA Jetson Xavier NX module, links 9 to 16 Re-ID sensors and handles daily footfall of up to 5,000 visitors, delivering unique visitors, repeat visits and paths to VemTrack.
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Key features
- Up to 21 TOPS of AI computing (INT8) from 384 CUDA cores and 48 Tensor cores.
- Links 9 to 16 Re-ID sensors with daily footfall traffic of up to 5,000.
- Local processing for Re-ID, unique visits and behavioural analytics; no images go to the cloud.
- Fanless, ultra-compact design with no moving parts.
- 8 GB LPDDR4 memory, 16 GB eMMC, gigabit Ethernet and HDMI output; Linux operating system.
Technical specifications
| Module | NVIDIA Jetson Xavier NX |
| CPU | ARMv8.2 64-bit heterogeneous multi-processing, max 1.9 GHz |
| GPU / AI | 384 CUDA cores, 48 Tensor cores, max 1.1 GHz; up to 21 TOPS (INT8) |
| Memory and storage | 8 GB LPDDR4, 16 GB eMMC |
| Network and video | 1 × Gigabit Ethernet (10/100/1000 Mbps), HDMI output |
| Capacity | 9–16 Re-ID sensors, daily footfall up to 5,000 |
| Operating conditions | -10 to 60 °C; humidity 95 % at 40 °C; vibration 3 Grms at 5–500 Hz |
| Operating system | Linux |
Source: TD Intelligence TD4001 G2 (T21) Edge Computing Unit datasheet (TDI Hub, 2026).
Sensor and software: what you get
On the TD1501 sensors: in, out and passer-by counts. On the TD4001-G2: Re-ID, unique and repeat visits, staff exclusion and behavioural analytics. In software: reports and dashboards in VemTrack and VemCount, with a 60-day free trial (see software plans).
Installation and accessories
Pair the unit with TD1501 Re-ID sensors. For the TD4001-GM multi-sensor unit see the TD4001-GM. Vemco plans sensor positions and installs the system with the installation service. Ask about a Re-ID project.
Frequently asked questions
What does the TD4001-G2 do?
It is the edge computer that runs Re-ID and behavioural analytics for TD Intelligence Re-ID sensors, so unique visitors and journeys can be measured without sending images to the cloud.
How many sensors can one TD4001-G2 handle?
TD Intelligence specifies 9 to 16 Re-ID sensors and daily footfall of up to 5,000.
Do I need a TD4001 for basic people counting?
No. TD sensors count in and out on their own; the TD4001 is needed for Re-ID analytics.
Which AI module is inside?
An NVIDIA Jetson Xavier NX with up to 21 TOPS (INT8).
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