Model:
VD-31R UHF RFID Desktop Checkout reader
The VD-31R desktop checkout counter is designed specifically for retail environments , making it easy to deploy and configure at the point of sale. Its built -in narrow- angle beam antenna ensures accurate recognition range and avoids common problems such as tag cross-reading and blind spots . It supports Android/iOS/Windows devices and meets the needs of various application scenarios including retail manual and self-checkout, tablet POS, jewelry and valuables management, linen inventory, and bulk warehouse asset inventory.
- With its ultra-thin design, multiple installation methods, and flexible deployment in more scenarios, this device can be flush with a flat surface.
- The patented near-field narrow -angle beam antenna combined with a high-performance read/write engine enables fast reading speeds, no blind spots in identification, and tag cross-reading.
- Supports Bluetooth BT and Type-C, allowing for more flexible deployment.
- It adopts dual prompts of LED indicator light and buzzer, providing clear and immediate feedback on read and write status , making it more user-friendly;
- Plug and play simulated keyboard /cursor output ;
FEATURES
SPECIFICATIONS
Purchase code (product model) | VD-31R |
Performance parameters | |
RF module | VM-X3S (Impinj E310) supports the Impinj Gen2X protocol. |
Air interface protocol | EPC Global UHF Class1 Gen2 / ISO 18000-6C |
Operating frequency | 902 - 928MHz / 865 - 868MHz (customizable by region) |
FM mode | FHSS Broadband Frequency Modulation/Fixed Frequency, Software Switching Settings |
Transmit power | 1 - 30dBm, adjustable in 1dB steps; controllable recognition distance 0 - 1000mm |
Antenna type | Near-field antenna |
Maximum group read rate | 250+ tags/second |
Multi-tag inventory capability | Stable reads of more than 70 tags in 5 seconds |
Maximum card reading distance | >100 0mm (with Impinj M750 standard label) |
SDK | Supports Windows / Android / iOS systems Provide SDK |
physical parameters | |
Power supply method | USB Type-C power supply , DC external power supply |
Work instructions | LED status indicator + buzzer dual prompts |
USB interface | USB 2.0 Type-C, transfer rate 12 Mbit/s |
Bluetooth wireless (optional) | Bluetooth 4.0 |
Firmware upgrade channel | USB serial port upgrade |
Sound status indicator
| The three sound levels (low, medium, and high) can be managed via the SDK. |
size | 318×318×20mm |
Weight after packaging | Approximately 1133 grams |
Environmental parameters | |
Operating humidity | 5% RH ~ 95% RH ( non-condensing ) |
Operating temperature | -20 ° C ~ 60 °C |
Storage temperature | -40 ° C ~ 85 °C |
Protection level | IP54 |
Electrostatic protection | ±15KV air discharge, ±8KV contact discharge |
Accessories | USB data cable, DC power adapter |
Optional accessories | Mounting bracket |
Dimensional drawing :

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