PayLens /Terminals/Castles Technology

S1F3 Fixe

countertop terminal · Castles Technology

In market
Castles

Brand

Built in-house
OS
Android 12
Form factor
countertop terminal
Connectivity
4G LTE / 3G / GPRS cellular, Wi-Fi 802.11 a/b/g/n/ac (2.4GHz & 5GHz), Bluetooth 5.0; wired USB, RS232, Ethernet; 2x SIM + eSIM (option)
Contactless
Contactless ISO 14443 Type A/B, ISO 18092 NFC, Mifare, FeliCa; QR via front camera
Display
5.5" Color HD+, 1440 x 720 pixels, capacitive multi-touch
Battery
None (mains-powered via 9V/4.5A adapter)
Chipset
A53 Quad-Core 2.0GHz + Secure Processor; 32GB Flash / 2GB RAM; Micro-SD socket
Dimensions
217 x 81 x 73.5 mm; 430g
Printer
Thermal printer, 57mm width, 50mm dia. paper roll, 90mm/sec
Payment methods
NFC, EMV Chip, Magstripe, QR
Launched
2025
1provider carries this terminal
See who, and where
1market confirmed
Open coverage

Context

Castles Technology brought the S1F3 Fixe to market in 2025.

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Source: manufacturer datasheet·Data as of 12 Aug 2026