AB Circle introduces CIR135B Nano-SIM Contact Smart Card Reader to Empower Mobile Security and Secure Digital Transactions

Hong Kong – July 2026 – AB Circle, a global provider in smart card readers and secure authentication solutions,, is excited to announce the launch of its latest innovation, the CIR135B Nano-SIM Contact Smart Card Reader. Developed specifically for the rapidly evolving Identity and Access Management (IAM) and mobile security markets, the CIR135B underscores AB Circle’s ongoing commitment to delivering high-performance, compact, and forward-thinking security solutions.

The CIR135B is an ultra-portable, token-sized contact smart card reader designed for Nano-SIM cards. Featuring a firmware-upgradable core and a USB Type-C connector, the device seamlessly connects to modern smartphones, tablets, and laptops. This makes it highly effective for secure field operations, mobile workforces, and remote high-security environments.

Despite its tiny footprint, the CIR135B is a powerful security tool designed for highly secure information exchanges. It supports a broad range of critical business, governmental, and personal security applications such as:

• Mobile Banking & Financial Transactions
• e-Government & Digital Signatures
• Network & Enterprise Security
• e-Healthcare & Medical Records
• Access Control & Toll Systems

“The introduction of the CIR135B brings an exciting new dimension to our product portfolio,” said Gilbert Leung, CEO at AB Circle. “As businesses and governments transition away from bulky legacy desktops to mobile-first environments, they cannot afford to compromise on security. The CIR135B is the perfect bridge—combining the ultimate portability of a Nano-SIM token with the high-level security of a contact reader, giving our customers the absolute flexibility they need for modern, secure workflows.”

The launch of the CIR135B demonstrates AB Circle’s deep expertise in smart card-based technology, trusted and deployed by leading organizations around the world. The company continues to develop and innovate products that uphold the highest industry standards of quality, performance, and operational reliability.

AB Circle invites businesses, system integrators, and security professionals to explore the features and benefits of the CIR135B Nano-SIM Contact Smart Card Reader.

For additional information, visit www.abcircle.com