HR21-L612-USB 640×512 Uncooled LWIR Thermal Imaging Module
Original price was: $599.00.$499.00Current price is: $499.00.
HR21-L612-USB is a compact 640 × 512 vanadium oxide uncooled LWIR thermal imaging module for UAV and thermal drone payloads, with USB video, USB serial communication, RS-422, CVBS support on applicable configurations, 50 Hz detector frame rate, and ≤40 mK NETD @ 25°C, F#1.0. Confirm CVBS and documentation needs during RFQ.
Description
HR21-L612-USB UAV thermal imaging camera module for thermal drone payloads
640 × 512 uncooled LWIR thermal imaging module for UAV payloads and OEM integration.
The HR21-L612-USB is a compact vanadium oxide uncooled infrared UAV thermal imaging camera module for thermal drone payloads, embedded vision devices, inspection platforms, and OEM thermal imaging products that need lightweight integration, USB video, RS-422 communication, and reliable LWIR output.
Buyer Summary
Where this 640×512 UAV thermal imaging camera module fits
The HR21-L612-USB is a module-level thermal imaging core, not a complete handheld camera. It is suited for OEM teams, UAV payload engineers, robotics developers, and embedded-system manufacturers who need a compact LWIR module that can be reviewed against power, interface, mechanical, and documentation requirements before sourcing.
Use it when your project needs a 640 × 512 uncooled LWIR thermal module with low module weight, USB video output, USB serial communication, and RS-422 control. CVBS analog output support is available on applicable configurations; confirm during RFQ.
Key Specifications
Technical parameters for OEM evaluation
| Detector | |
|---|---|
| Component model | HR21-L612-USB |
| Detector type | Vanadium oxide uncooled infrared focal plane detector |
| Resolution | 640 × 512 |
| Detector frame rate | 50 Hz |
| Pixel pitch | 12 μm |
| Spectral range | 8–14 μm |
| NETD | ≤40 mK @ 25°C, F#1.0 |
| Image Adjustment | |
| Brightness adjustment | 0-10 selectable levels |
| Contrast adjustment | 0-10 selectable levels |
| Enhancement | 0-10 selectable levels |
| Pseudo color palettes | Black hot, white hot, iron red, red hot, rainbow, and other palettes |
| Image Processing | |
| Non-uniformity correction | Supported |
| Temporal filtering | Supported |
| Spatial filter noise reduction | Supported |
| Digital detail enhancement | Supported |
| Histogram brightness adjustment | Supported |
| Power and Interface | |
| Supply voltage | 5 V ±0.5 V |
| Typical power consumption @ 25°C | <1.2 W, including expansion board |
| Digital video | USB |
| Analog video support | CVBS supported on applicable configurations; confirm during RFQ |
| Communication interface | USB serial port, 1 × RS-422 |
| Mechanical | |
| Weight | <15 g |
| Dimensions | 21 mm × 21 mm × 20.2 mm |
| Environmental Adaptability | |
| Operating temperature | -40°C to +85°C |
| Storage temperature | -50°C to +90°C |
| Humidity | 5%-95%, non-condensing |
| Vibration | 6.06 g random vibration, all axes |
| Shock | 80 g @ 4 ms, post-peak sawtooth waveform, 3 axes / 6 directions |
Application Fit
Application scenarios for UAV and embedded thermal imaging
Interface Notes
USB, RS-422, and CVBS integration notes
For host-side planning, confirm the video path, control interface, connector route, lens/FOV requirement, power budget, and firmware expectations during RFQ. USB video and USB serial communication are the main integration path for this listing, with RS-422 available for control communication.
CVBS analog output support is available on applicable configurations; confirm during RFQ. NDAA statement available on request for buyers who need procurement documentation review.
Mechanical Notes
Mechanical dimensions and board configuration

Board Configuration
Circuit board configuration list
| No. | PCBA name | Board number | Quantity |
|---|---|---|---|
| 1 | Power interface board | HRSP-P17-V03 | 1 |
| 2 | FPGA main board | HRSP-YF01-V05 | 1 |
| 3 | Signal board | HRSP-AS01-V02 | 1 |
Electrical Notes
External connector and solder-pad definitions

Pin Definitions
USB and RS-422 interface tables
J1: HC-0.8-4PWT Reserved USB Port
| Pin | Signal | Definition |
|---|---|---|
| 1 | V+ | 5 V power positive |
| 2 | V- | Power ground |
| 3 | D+ | USB data positive |
| 4 | D- | USB data negative |
Four USB Solder Pads
| Pin | Pad | Definition |
|---|---|---|
| 1 | V+ | 5 V power positive |
| 2 | D- | USB data negative |
| 3 | D+ | USB data positive |
| 4 | V- | Power ground |
J1: HC-0.8-6PWT RS-422 Interface
| Pin | Signal | Definition |
|---|---|---|
| 1 | VBUS | 5 V power |
| 2 | DGND | Digital ground |
| 3 | RS422_RXN | RS-422 receive negative |
| 4 | RS422_RXP | RS-422 receive positive |
| 5 | RS422_TXN | RS-422 transmit negative |
| 6 | RS422_TXP | RS-422 transmit positive |
RFQ Checklist
Information to provide before requesting a quote
- Target application: UAV payload, embedded device, industrial inspection, robotics, or other OEM system.
- Preferred video/control path: USB, RS-422, and whether CVBS analog output needs to be confirmed.
- Lens and field-of-view requirements, working distance, host board, power budget, and enclosure limits.
- Documentation needs such as datasheet, mechanical drawing, electrical interface reference, CE/RoHS review, or NDAA statement request.
Product FAQ
FAQ for OEM buyers
Is HR21-L612-USB a complete camera or a module?
It is a compact uncooled LWIR thermal imaging module for OEM integration. Buyers should plan host electronics, enclosure, lens/FOV matching, video path, and documentation review during RFQ.
Is this module suitable for UAV payload integration?
Yes, it is positioned for UAV payloads and embedded systems that need a lightweight 640 × 512 LWIR module. Confirm payload size, power budget, lens requirements, and output interface during RFQ.
What interfaces should be reviewed before ordering?
Review USB video, USB serial communication, RS-422, connector routing, and host-system requirements. CVBS analog output support is available on applicable configurations; confirm during RFQ.
Can Camcuda provide procurement documentation?
Camcuda can support buyer review with available product specifications, mechanical drawings, interface references, CE/RoHS-related documentation where applicable, and NDAA statement available on request. Confirm documents for the exact configuration and destination during RFQ.
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