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Castles S1E2

The Castles S1E2 Mobile SmartPOS redefines payment experiences offering merchants a secure, versatile and efficient solution. With its robust features and compliance with industry standards the S1E2 stands as a reliable choice for businesses aiming for seamless transactions and customer satisfaction.


Product description

Castles S1E2 Mobile SmartPOS
The Castles S1E2 stands at the forefront of next-generation mobile smartPOS devices delivering unparalleled convenience, adaptability and performance. Designed by Castles Technology the S1E2 redefines the checkout process catering to the multifunctional needs of businesses. Boasting features like 4G LTE/3G, WLAN, Bluetooth, microphone and a rear camera it integrates seamlessly into various merchant environments.

Secure and Seamless Transactions
Built on a secure Android platform the S1E2 ensures the utmost security for merchants seeking a cutting-edge payment solution. Its integrated contactless reader function, coupled with a 5″ full touchscreen.

PCI PTS 6 Compliant
The S1E2 doesn’t compromise on security adhering to PCI PTS 6 standards. Merchants can rely on this device to handle transactions securely meeting industry-specific security requirements and ensuring customer data protection.

Barcode Reader – Optional
With versatility at its core the S1E2 caters to diverse business needs. Merchants can opt for the optional barcode reader enhancing the device’s capabilities and expanding its functionality to meet specific business requirements.

S1E2 Specifications

  • Processor: High-performance Octa-core 1.8 GHz CPU + Secure processor
  • Memory: Flash/RAM 16GB/2GB | Micro-SD
  • Operating System: Android 10
  • Display: 5” TFT Color Display (1280 x 720 Pixels), with Capacitive Touch Screen
  • Card Reader: Magnetic Stripe, Smart Card, Contactless, SIM, SAM
  • Connectivity: 3G, 4G LTE, Wi-Fi, Bluetooth
  • Audio: Speaker | Headphone Jack | Microphone
  • Keypad: Virtual Keypad on Touch Panel
  • Camera: 5M Auto Focus Rear Camera with Flash LED
  • Software: SDK | KMS | TMS | GDB | CTOS library | ISO 8583 library | Crypto library
  • Crypto: TRNG | DES | TDES | AES | RSA | MK/SK | DUKPT
  • Power Supply: DC 5V/2A
  • Dimensions (L x W x H): 169 x 75 x 21 (mm)
  • Weight: 249g
  • Operating Temperature: 0°C to 50°C
  • Storage Temperature: -20°C to 70°C
  • Operating Humidity: 5% to 90% non-condensing
  • Storage Humidity: 5% to 90% non-condensing
  • Certification: PCI PTS v6.x | EMV L1/L2 | payWave | PayPass | ExpressPay | D-PAS | J/Speedy | FeliCa | QuickPass | Interac Flash | TQM
  • Optional Accessories: Barcode Reader





Product type

Payment terminal


New payment terminal


Terminal type

Mobile terminal




With touchscreen

Contactless payment



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GR. Juliana v Stolberglaan 31
2263 AB Leidschendam
The Netherlands, BoxE5639