eSSL U990
eSSL U990 – Standalone Biometric Access Control & Attendance Terminal
eSSL U990 is a premium standalone biometric fingerprint reader delivering dual functionality: time and attendance plus full access control. Using algorithm version 10.0 from ZK Technologies, the U990 provides high-speed, high-accuracy fingerprint matching with Wiegand input/output for third-party panel integration.
The U990 supports EM RFID (Proximity), Mifare, and optional HID card reading, giving administrators a flexible multi-factor authentication environment. With 50 time zones, user grouping, anti-pass-back, and an internal camera for Photo-ID, it is ideal for secure office, corporate, and industrial deployments.
Key Features:
- Internal camera with Photo-ID for enhanced attendance visibility
- 3.5-inch colour TFT with GUI; 2,200-user capacity
- Wiegand input & output for third-party access control panel integration
- EM RFID (Proximity), Mifare, and optional HID card support
- 50 time zones, user grouping, anti-pass-back, and unlocking combinations
- Optional WebServer, Wi-Fi, GPRS, CDMA connectivity
- Built-in backup battery for data protection
Technical Specifications:
| User Capacity | 2200 |
| Transaction Storage | 100000 |
| Communications | TCP/IP, USB, RS232, RS485 |
| Processor | 32 Bit |
| Identification Time | ≤2 seconds |
| FAR | ≤0.0001% |
| FRR | ≤1% |
| Operating Temperature | 0°C – 45°C |
| Operating Humidity | 20%–80% |
| Sensor | OEM Optical Sensor 500 DPI |
| Power Supply | 12V DC |
| Card Reader | EM RFID (Proximity), Mifare, HID (Optional) |
| Access Control Interface | 3rd-party electric lock, door sensor, exit button, alarm, Door Bell |
| Standard Function | Work code, DLST, Anti-Pass Back |
| Optional Function | WebServer, Wi-Fi, GPRS, CDMA |
| Wiegand Signal | Input & Output |
| Display | 3.5 Inch TFT Screen |
| Algorithm Version | 9.0/10.0 |
| Dimension (W×H×D) | 215 × 145 × 35 mm |
Frequently Asked Questions – eSSL U990
What is the difference between eSSL U990 and X990?
The eSSL U990 adds full access control features over the X990: it includes Wiegand I/O, door lock/sensor/exit button interfaces, anti-pass-back, 50 time zones, internal camera, and support for Mifare/HID cards. The X990 is primarily an attendance device.
Does eSSL U990 support HID cards?
Yes, eSSL U990 supports EM RFID (Proximity) and Mifare cards as standard, with optional HID card reader integration.
What is anti-pass-back in eSSL U990?
Anti-pass-back prevents a cardholder from passing their credential back to another person for re-entry. The U990's anti-pass-back feature enhances physical security in controlled access areas.
Can eSSL U990 connect to a third-party access control panel?
Yes. The U990 has Wiegand input and output ports, enabling seamless integration with third-party access control panels.
Does eSSL U990 have Wi-Fi?
Wi-Fi is an optional add-on module for the U990. Standard connectivity includes TCP/IP, RS232/485, and USB.