eSSL Security

eSSL S990 RFID Card Reader – 125KHz EM Access Control

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S990 Standalone RFID Time Attendance & Access Control System

The S990 Standalone RFID Time Attendance & Access Control System is a high-performance biometric-free access control solution designed for secure attendance tracking and door access management. It offers fast card authentication, high storage capacity, and flexible communication options for enterprise and institutional use.

Key Features

Supports up to 30,000 card users
Stores up to 100,000 transaction logs
Fast identification speed of less than 1 second
32-bit 800MHz microprocessor for stable performance
2.8” TFT display with intuitive interface
Supports TCP/IP, RS232, and RS485 communication
Wiegand 26/34 input & output support
Built-in relay for electric lock control

Technical Specifications

Specification	Details
Model	S990
Product Type	Standalone RFID Time Attendance & Access Control System
Card Storage Capacity	30,000
Transaction Capacity	100,000
CPU	32-bit Microprocessor – 800 MHz
Display	2.8” TFT Screen
Keypad	4×4 with 5 Function Keys
Identification Speed	< 1 Second
FAR / FRR	FAR ≤ 0.0001% / FRR ≤ 1%
Communication	TCP/IP, RS232/RS485
Power Supply	DC 12V, 1.5A
Operating Temperature	0°C – 45°C
Operating Humidity	20% – 80%
Dimensions	210 × 157 × 40 mm
Wiegand	26-bit / 34-bit I/O