{"id":1665,"date":"2025-10-22T11:13:44","date_gmt":"2025-10-22T11:13:44","guid":{"rendered":"https:\/\/alited.com\/sd20\/"},"modified":"2025-11-18T03:36:15","modified_gmt":"2025-11-18T03:36:15","slug":"sd20","status":"publish","type":"page","link":"https:\/\/alited.com\/en\/products\/scanner\/sd20\/","title":{"rendered":"SD20 QR code scanning terminal"},"content":{"rendered":"\n

Product introduction<\/h2>\n\n\n
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\"SD20<\/figure><\/div>\n\n\n

SD20 is a compact QR code scanning terminal that adopts Standard HID USB interface, plug and play, and supports computers, cash registers and POS systems. The product is equipped with a 32-bit high-performance CPU and a 300,000-pixel CMOS camera, supports 640\u00d7480 resolution, and has fast recognition speed (0.05 seconds\/time). Supporting \u00b155 degree angle and 0-150mm depth of field range, it is suitable for cashier environments with limited space and is an ideal choice for small and medium-sized merchants.<\/p>\n\n\n\n

Features<\/h2>\n\n\n\n\n\n
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\ud83d\udd0c Plug and play<\/h3>\n\n\n

Standard HID USB interface, plug and play, supports computers, cash registers and POS systems, no additional drivers are required.<\/p>\n\n<\/div><\/div>\n\n<\/div>\n\n\n

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\u26a1 Quick identification<\/h3>\n\n\n

The recognition speed is 0.05 seconds\/time, supports \u00b155 degree angle, 0-150mm depth of field range, and high recognition accuracy.<\/p>\n\n<\/div><\/div>\n\n<\/div>\n\n\n

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\ud83d\udce6 Compact design<\/h3>\n\n\n

With a compact size of 165\u00d748\u00d737mm and a weight of 280\u00b13g, it is suitable for cashier environments with limited space.<\/p>\n\n<\/div><\/div>\n\n<\/div>\n\n\n

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\ud83d\udd0dMultiple code support<\/h3>\n\n\n

Supports 1D code (EAN-13\/UPC-A, Code 128, Code 39, etc.) and QR code scanning.<\/p>\n\n<\/div><\/div>\n\n<\/div>\n\n<\/div>\n\n\n\n

Technical specifications<\/h2>\n\n\n\n
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Scan code function<\/h3>\n
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300,000-pixel CMOS, 640\u00d7480 resolution, supports 1D\/2D code<\/p>\n<\/div>\n\n<\/div>\n\n<\/div>\n\n

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Communication interface<\/h3>\n
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USB HID interface, plug and play<\/p>\n<\/div>\n<\/div>\n

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Identification parameters<\/h3>\n
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Recognition speed 0.05 seconds\/time, \u00b155 degree angle, 0-150mm depth of field<\/p>\n<\/div>\n<\/div>\n

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Other parameters<\/h3>\n
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See the table below for processor\/interface\/dimensions\/weight<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n

Technical parameters<\/h2>\n\n\n\n
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project<\/th>describe<\/th><\/tr>\n
processor<\/td>32-bit high-performance CPU<\/td><\/tr>\n
communication<\/td>USBHID<\/td><\/tr>\n
Camera<\/td>300,000 pixels, CMOS<\/td><\/tr>\n
Support code system<\/td>1D code: EAN-13\/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5; supports QR code<\/td><\/tr>\n
resolution<\/td>640\u00d7480<\/td><\/tr>\n
Recognition speed<\/td>0.05 seconds\/time<\/td><\/tr>\n
rotation angle<\/td>\u00b155 degrees<\/td><\/tr>\n
depth of field<\/td>0-150mm<\/td><\/tr>\n
Peripheral interface<\/td>USB (RJ11)\u00d71<\/td><\/tr>\n
indicator light<\/td>Scanning window fill light (white)<\/td><\/tr>\n
Audio<\/td>Pre-recorded audio file broadcast<\/td><\/tr>\n
working temperature<\/td>-10\u2103\uff5e50\u2103<\/td><\/tr>\n
Storage temperature<\/td>-20\u2103\uff5e70\u2103<\/td><\/tr>\n
relative humidity<\/td>10%\uff5e95% (no condensation)<\/td><\/tr>\n
size<\/td>165\u00d748\u00d737mm<\/td><\/tr>\n
weight<\/td>280\u00b13g<\/td><\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n\n\n\n

Product pictures<\/h2>\n\n\n\n
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\"SD20<\/figure><\/div>\n\n\n

SD20 compact scanning terminal front view<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n

Application scenarios<\/h2>\n\n\n\n
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\ud83c\udfea Space limited cashier<\/h3>\n\n\n\n

Compact design saves space in checkout environments with limited space, such as small convenience stores and stalls.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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\ud83d\udcbb Computer cashier<\/h3>\n\n\n\n

Supports computers, cash registers, and POS systems, plug and play, no additional drivers required, easy to use.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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\ud83d\udce6 Logistics sorting<\/h3>\n\n\n\n

In sorting scenarios such as express delivery and logistics, quick code scanning and identification can improve sorting efficiency.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n

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\ud83c\udfea Small and medium-sized merchants<\/h3>\n\n\n\n

It is suitable for small and medium-sized merchant cashier scenarios. It is cost-effective and its compact design is suitable for small cashiers.<\/p>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n<\/div>\n\n\n