PayLens /Terminals/Castles Technology

S1F4 Pro

smartPOS terminal · Castles Technology

In market
Castles

Brand

Built in-house
OS
Android 13
Form factor
smartPOS terminal
Connectivity
4G LTE / 3G / GPRS cellular, Wi-Fi 802.11 a/b/g/n/ac (2.4GHz & 5GHz), Bluetooth 5.0; wired USB-C 2.0 OTG; 2 SIM or 1 SIM + eSIM (option), 2 SAM; GPS/GLONASS/BEIDOU/GALILEO
Contactless
Contactless ISO 14443 / ISO 18092 NFC, Mifare, FeliCa; QR via camera/optional barcode scanner
Display
6.7" Color HD+, 1600 x 720 pixels, capacitive multi-touch
Battery
3350mAh / 7.2V Li-ion, 24.12Wh (DC 5V/2A | 9V/2A)
Chipset
A73 Octa-Core 2.4GHz + Secure Processor; 32GB Flash / 4GB RAM; Micro-SD socket
Dimensions
192 x 81 x 54 mm; 436g
Printer
Thermal printer, 58mm width, 40mm dia. paper roll, 100mm/sec
Payment methods
NFC, EMV Chip, Magstripe, QR
Launched
2024
2providers carry this terminal
See who, and where
3markets confirmed
Open coverage

Context

Castles Technology brought the S1F4 Pro to market in 2024.

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Source: manufacturer datasheet·Data as of 12 Aug 2026