Castles Technology Reinvents Outdoor Payments with the S1U2-M4

Castles Technology is excited to present the S1U2-M4, a state-of-the-art unattended payment terminal engineered for exceptional reliability in extreme outdoor environments. Purpose-built for durability, it ensures secure, seamless transactions even under the toughest conditions.

Key Features & Specifications

• Security: PCI PTS 6.x certification for enterprise-grade transaction protection
• Environmental Toughness: Rated IP65 for dust and water resistance and IK09 for impact protection
• Performance Platform: Powered by Android 13, delivering fast and responsive payment experiences
• Connectivity: Supports 4G LTE, Wi‑Fi, and Bluetooth to ensure constant network availability
• Interfaces: Comprehensive I/O including USB, Ethernet, RS‑232, MDB, coin pulse, and door‑switch ports for versatile integration
• Display: Bright 4‑inch color touchscreen with 1000 nits — visible even under direct sunlight

Ideal Use Cases

The S1U2-M4 is perfect for deployment in sectors requiring rugged, reliable unattended payment solutions:

• EV charging stations
• Outdoor vending machines
• Public transport ticketing
• High-traffic kiosks
  

See It In Action

Ready to experience it in person? Here’s where to find us:

• EVEX – Split, Croatia, September 9–12
• NRF Europe 2025 – Paris, September 16–18
  

“With the S1U2-M4, we are redefining reliability for unattended outdoor payments. This solution embodies Castles Technology’s dedication to innovation, durability, and trust in every transaction,” said Daniel Stanley, Chief Revenue Officer for Castles North America.

For further information and media inquiries, visit Castles Technology: https://www.castlestech.com/en-us/products/s1u2-m4/

About Castles Technology

Castles Technology is a global leader in secure and innovative payment solutions, delivering future-ready technologies that power in-store, online, mobile, and social commerce. Driven by creativity and a diverse team, we help customers and partners maximize growth with simple, secure, and adaptable payment experiences. Learn more at castlestech.com.