Mobile QR / NFC Payment Terminal

The SL58 is designed to focus on payment methods utilizing QR code and NFC technology. With its ergonomic and intuitive functioning design, customer facing contactless reader and standalone communication, SL58 offers mobility for full range of mobile payment acceptance with a very cost-effective structure and secure key encryption processor suitable for expansion in cashless payment scenarios.


Utilizing the latest secure processor for key injection, SL51/SL58 delivers payment acceptance for a wide variety of mobile payment methods such as QR payment, NFC payment and Dynamic QR Display and can provide additional security.

NFC ReaDer

qPBOC L1,qPBOC L2,EMV Contactless L1,Type A/B、Mifare;


Offer secure key injection & data encryption


Up to one week standby time and replaceable battery for continual use.


1d/2D Code Scanner

Support QR code, EAN-13/UPC-A,UPC-E,EAN-8,Code 128,Code 39,Interleaved 2 of 5, etc.

GPRS Communication

Support GPRS Communication, Complete the transaction alonely

Dynamic QR Code Display

Utilizing our color display capable of displaying dynamic QR code.


We have devoloped the application to support these platforms above,

Industrial Applications

SL51/SL58’s core is a highly integrated design using world class embedded solution which offers the full range of mobile payment functions on a superb cost structure. It truly enables mobile payment acceptance and reduces customization effort for payment processors, QR gateways, and e-wallet acceptance. SL51/SL58 are also applicable for partners that offer loyalty solution, membership solution, transportation solution, prepaid solution, top-up solution, express delivery, and other potential industries.








Scalable development environment based on our SDK APIs /w sample templates for easy programming in C language.

SL51/SL58 Payment Scenarios


QR Payment

NFC Payment

QR Display Payment

Company Introduction

Founded in June 2015, Popsecu Technology strives to be the innovative payment leader in the payment industry. Our core capabilities come from four areas: card payment solution, PCI security solution, traditional payment application solution and also android based integrated solution. Our mission is to dedicate our R&D capabilities on innovative payment technology to provide a reliable and superior product for our partners – popularizing security.