The S1F4 by Castles Technology is a sleek, Android 13 portable payment terminal designed for modern business mobility. Featuring a crisp 5.5” HD+ display, high-speed printer, and full-spectrum payment acceptance, it ensures smooth, professional transactions anytime, anywhere. With 4G, Wi-Fi, Bluetooth, and optional eSIM support, connectivity stays strong on the move. Seamless integration with CasHUB empowers businesses to manage devices remotely, push updates, and enforce security with ease. The S1F4 is ideal for businesses in retail, delivery, restaurant, field services and more.
S1F4
Keep your business connected, mobile, and always ready to accept payments with S1F4. Boost operational efficiency and deliver seamless customer experiences.
Portable Performance Redefined
Security
PCI PTS 6.x
Display
5.5" HD+ Touchscreen
Performance
Quad-Core Processor
Camera
Up to 5MP AF
OS
Secure Android 13
Battery
2550mAh/7.2V Li-Ion
S1F4 Specifications
View specs
Processor: ARM A53 Quad-Core 2.0GHz + Secure Processor
Memory: Flash: 8GB/32GB(option) | RAM: 2GB | Micro-SD Socket
Operating System: Android 13
Display: 5.5” Color HD+ Display (1440 x 720 Pixels) with Capacitive Touch Screen
Card Reader: Magnetic Stripe, Smart Card, Contactless, SIM, SAM
Communication Ports: USB-C
Wireless: 4G LTE, 3G, 2G, Wi-Fi, Bluetooth
Positioning: GPS, GLONASS, BEIDOU, GALILEO
Audio: Speaker | Audio Jack
SIM & SAM: 2 SIM | 1 SIM + eSIM (option) | 2 SAM
Keypad: Onscreen Virtual Keypad
Camera: Front: 0.3MP FF/2MP FF (option) | Rear: 2MP FF (option)/5MP AF (option)
Printer: Paper Roll Size: 58mm (W) x Ø40mm | Print Speed: 90mm/sec
Power Supply: DC 5V/2A | Battery 2550mAh 7.2V Li-ion
Dimensions (L x W x H): 185 x 81 x 57 mm
Weight: 460g
Operating Temperature: -10°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 6.x | EMV L1/L2 | payWave | Mastercard Contactless | ExpressPay | D-PAS | Interac Flash | J/Speedy | FeliCa | QuickPass | TQM
CasHUB Support: Yes
Optional Accessories: Charging Cradle, 5V/2A Power Adapter, Communication Cradle, Magic Box
Looking for something else?
Check out our other Android Terminals
S1P2
Android Terminal
Don’t just take payments; make revenue. Run multimedia campaigns and unlock new revenue streams with the S1P2 smart PIN pad.
S1L2
Android Terminal
S1L2 is an extremely easy, safe and secure for merchants looking for a next generation payment device.
S1U2-M2B
Android Terminal
The S1U2-M2B is perfectly suited for the specialized needs of vending, parking, ticketing, and more.