STS Prepaid Water Meter Module
Our STS prepaid water meter module is purpose-built for water meter manufacturers and integrators seeking a reliable, secure, and standards-compliant solution for prepaid metering systems.
Fully compliant with IEC62055 STS protocol, this module supports secure token-based prepayment and flexible deployment across residential or commercial metering projects.
🔧 Built for Seamless OEM Integration
Designed with OEMs in mind, the STS prepaid water meter module can be embedded into new meters or retrofitted into existing mechanical or smart water meters.
It supports standard communication methods, including:
Infrared (IR) interface for keypad-based token input
RFID card compatibility for contactless prepayment
UART serial communication with the host controller
Compact and energy-efficient, it easily integrates with your PCBA layout and housing design.
🔒 Secure & Stable Operation
Compliant with IEC62055-41/51 for STS encryption
Supports encrypted 20-digit token input
Built-in tamper detection, valve control logic, and user credit management
Designed for ultra-low power consumption to suit battery-powered devices
Option for external keypad or RFID card input interface
📌 Key Applications
Smart prepaid residential water meters
Community or apartment shared metering
National utility prepaid metering programs
Prepaid upgrades for mechanical or hybrid meters
✅ Why Choose Our STS Prepaid Modules?
20+ years in smart metering R&D and OEM partnerships
Trusted by water meter brands in 30+ countries
Full support for firmware customization and system integration
Ready-to-deploy reference designs and demo kits available
Need a flexible, secure, and internationally compliant STS prepaid water meter module?
