Have we found the right balance between attendance tracking and door access control in the 4G GPRS TCP/IP Facial Face Recognition Time Attendance Machine Biometric Fingerprint Door Access Control System,Uface402?
Product overview
We want to start by summarizing what this unit offers at a glance. The 4G GPRS TCP/IP Facial Face Recognition Time Attendance Machine Biometric Fingerprint Door Access Control System,Uface402 combines face recognition, fingerprint biometrics, and networked access control into one wall-mounted device aimed at small-to-medium businesses, clinics, schools, and offices. It supports large template capacities, multi-language options, fast verification, and an optional battery backup for continued operation during power interruptions.
What the product promises
We note that the manufacturer emphasizes high verification speed and a user-friendly interface. The device advertises support for up to 3,000 face templates and 4,000 fingerprint templates, network connectivity via 4G, GPRS, and TCP/IP, and an optional internal battery that provides approximately four hours of continuous operation. These capabilities suggest that the product is designed to operate in environments with intermittent power or where network flexibility is needed.
Key specifications
We like to present technical details in a single place so they are easy to scan. Below is a concise table that breaks down the primary specifications and what they mean for real-world use.
| Category | Specification | Practical implication |
|---|---|---|
| Face templates | 3,000 | Adequate for many SMBs; supports multiple users with face enrollment for attendance and access. |
| Fingerprint templates | 4,000 | Good capacity for organizations that prefer fingerprint fallback or hybrid authentication. |
| Network | 4G / GPRS / TCP/IP | Flexible connectivity: works in wired networks and cellular environments where ethernet is not available. |
| Languages | Multi-language | Usable in multilingual environments; reduces training time for staff. |
| Verification speed | High | Faster throughput at entrances and during clock-in times; less queuing. |
| UI | Advanced, user-friendly | Easier enrollment and administration; shorter learning curve for staff. |
| Battery backup | Optional built-in, ~4 hours | Allows continued operation during short outages and prevents lost data during power failures. |
| Form factor | Wall-mounted access terminal | Typical for door access and attendance; requires fixed installation. |
| Integration | TCP/IP protocols, likely vendor software | Integrates with time-attendance and access-control systems; check compatibility. |
Additional notes on specs
We should point out that advertised capacities are often theoretical maximums; real-world performance depends on software configuration, template sizes, and whether dual-biometric templates are stored per user. The optional battery is a strong plus for locations prone to short power interruptions.
Design and hardware
We want to assess how the device looks and feels and how its hardware choices affect day-to-day use. The Uface402 adopts a compact, wall-mounted design typical for door access controllers and biometric terminals. Build quality is generally solid for its price range, with a clear display, clear face camera placement, and a fingerprint sensor that is recessed or protected to reduce accidental damage.
Display and user interface
We pay attention to how the device communicates with users during enrollment and verification. The UI is described as advanced and user-friendly, and in our experience similar devices show clear iconography, large buttons for essential functions, and multilingual prompts. This reduces the learning curve for administrators and end users.
Biometric sensors
We evaluate both face and fingerprint components. The face recognition camera typically includes IR or near-IR illumination to perform well in low-light conditions, and the fingerprint sensor is generally capacitive for better accuracy. The combination allows for fallback methods: if face verification fails, fingerprint can be used.
Network and connectivity
We consider the connectivity options because they determine where and how the unit can be deployed. The Uface402 supports TCP/IP (wired ethernet), GPRS, and 4G cellular data. This variety of options gives flexibility in placement — we can install it in locations without reliable wired networks by using a cellular data plan.
4G/GPRS capabilities
We highlight the benefits of cellular support. With 4G/GPRS, the device can report attendance and door events in real time to a cloud or on-premises server without needing local ethernet. This is useful for temporary sites, construction sites, warehouses, or retail locations where wired networks are expensive or unavailable.
TCP/IP integration
We point out what TCP/IP brings to the table. Over a wired network, the unit integrates with existing attendance or access control servers via standard protocols, enabling centralized user management and reporting. For best security, we recommend using VPNs or secure channels for remote connections.
Performance and accuracy
We discuss how quickly and accurately the device verifies identities in normal use. The Uface402 advertises high verification speed; in practice, facial recognition devices of this class typically verify in under a second under good conditions. Fingerprint verification is also fast, but speed depends on template matching configuration, false acceptance/rejection settings, and environmental conditions like dirty or wet fingers.
Real-world throughput
We reflect on use during peak times. In a busy entrance or during morning clock-in, high verification speed matters. We expect the unit to handle continuous traffic without noticeable lag for hundreds of users if network and server backends are correctly configured.
Accuracy and environmental factors
We note the typical challenges. Face recognition performs best when users face the device and lighting is consistent; extreme light (direct sunlight) or heavy shadows may reduce accuracy. Fingerprint readers can struggle with worn fingerprints, dusty or wet fingers, and extreme cold that affects skin. We recommend cleaning the sensor periodically and training staff on proper usage to minimize errors.
Enrollment and user management
We outline what it’s like to add users and manage templates. Enrollment typically involves capturing a face template and one or more fingerprints. The device’s advanced UI and multi-language support should make enrollment straightforward; administrators can add users directly at the terminal or via centralized management software over the network.
Enrollment workflow
We explain expected steps. We enroll an ID with name, department, and time rules, capture facial image(s), and record fingerprint templates. Many systems allow multiple fingerprints per person to improve recognition rates and can link both face and fingerprint templates to the same user account for flexible verification options.
Template management and storage
We remind readers about storage considerations. Template counts (3,000 faces and 4,000 fingerprints) refer to stored biometric templates; administrators should plan capacity based on whether both modalities are used per user, and whether administrators will store multiple fingerprints per user. Periodic backups of the user database are recommended.
Power, battery backup, and reliability
We discuss power options and the benefits of the optional internal battery. The optional built-in battery provides roughly four hours of continuous operation, which is an important feature for sites with power instability or where maintaining door security during outages is critical.
Battery use cases
We explain scenarios for the battery. The internal battery ensures the device continues to log attendance and control doors during brief outages. This minimizes data loss and prevents unauthorized access during power fluctuations. For longer outages, external UPS solutions might be necessary.
Long-term reliability
We comment on maintenance expectations. The device will need occasional firmware updates and hardware checks. Ensuring the fingerprint sensor remains clean and the camera lens is free of smudges will preserve accuracy. We recommend scheduling routine inspections and firmware updates when available.
Security and privacy
We address biometric security and data handling concerns. Biometric devices raise privacy and security issues, and we treat them seriously. Secure transmission (TLS, VPN), encrypted template storage, and proper access control for administrative functions are essential to protect users’ biometric data.
Data encryption and transmission
We recommend secure deployment practices. On deployments with internet connectivity, ensure that data sent to servers is encrypted and that device firmware supports secure protocols. If the vendor provides cloud services, evaluate their security certifications and data handling policies.
Privacy best practices
We propose how to reduce privacy risks. Restrict administrative access, implement role-based controls, retain only necessary biometric templates, and follow local regulations regarding biometric data collection and consent. Clear signage and user consent forms help maintain transparency with staff.
Software integration and compatibility
We cover the device’s ability to integrate with attendance and access control software. The Uface402 communicates over TCP/IP and likely supports vendor-specific protocols or SDKs. This makes it compatible with many time-attendance systems and access control platforms; however, confirm compatibility with your software vendor or request an SDK.
Centralized management
We explain centralized benefits. Using a central server allows us to push user changes to all terminals, collect attendance logs in real time, and generate reports for payroll and compliance. If your organization uses HR software, check whether the vendor provides integration modules or middleware.
Third-party integrations
We caution about compatibility. Verify whether your third-party access control software can accept data from the unit. If not, SDKs or API endpoints may allow custom integration; however, this can require development effort.
Installation and mounting
We provide practical notes for installing the terminal. The unit is designed for wall mounting near access points; install it at a height convenient for average users (typically chest-to-eye level) and ensure a clear approach path for face recognition.
Placement tips
We give advice to maximize performance. Avoid placing the terminal in direct sunlight or where strong backlighting will silhouette users. Provide overhead or ambient lighting that evenly illuminates faces for consistent recognition. For fingerprint usage, position the sensor for easy reach without awkward angles.
Wiring and power
We outline wiring needs. If using TCP/IP, provide ethernet cabling or PoE if supported. For 4G/GPRS, ensure SIM card access and signal strength at the installation point. If the optional battery is installed, account for the battery access panel in the mounting plan.
User experience
We assess how staff and visitors will interact with the device. The user-friendly UI and multi-language prompts make daily use straightforward. Verification is generally fast, with clear visual or audio prompts to indicate success or failure.
Training and adoption
We discuss minimizing friction. Short in-person demos and wall-mounted instructions reduce user confusion. Encourage users to stand still for a second during face verification and to place fingers flat and steady for fingerprint scanning.
Accessibility considerations
We highlight accommodations. For users with mobility limitations or difficulty positioning for face recognition, provide alternative verification methods such as RFID cards if supported, or assign proximate placement of the reader that is accessible.
Troubleshooting common issues
We list practical fixes for typical problems. If the device rejects a valid user, check template quality, sensor cleanliness, lighting, and whether templates are correctly linked to the user account. Network connectivity issues can often be resolved by verifying APN settings for 4G or checking ethernet link lights and network configuration.
Network troubleshooting
We suggest steps to diagnose connectivity. Verify SIM status and data plan for cellular connections, test ping to the server for TCP/IP connections, and confirm firewall rules allow the device to communicate. If using 4G, check signal strength and consider moving the device slightly or adding an external antenna.
Biometric troubleshooting
We offer tips for biometric failures. Clean the fingerprint sensor with a lint-free cloth and isopropyl alcohol, capture multiple face angles and repeat enrollment if recognition is poor, and ensure users remove masks or face coverings during verification unless the system supports masked-face algorithms.
Comparisons with similar devices
We present a high-level comparison to help evaluate alternatives. Devices in the same class may offer larger template capacities, different sensor technologies, built-in RFID readers, or enterprise-grade integration features. The Uface402’s mix of 4G support and optional battery is a notable advantage for remote deployments.
| Feature | Uface402 | Typical competitor |
|---|---|---|
| Face templates | 3,000 | 1,000–10,000 (varies) |
| Fingerprint templates | 4,000 | 500–5,000 (varies) |
| 4G/GPRS support | Yes | Often No (depends on model) |
| Battery backup | Optional, ~4 hours | Rare or requires external UPS |
| UI | Advanced, user-friendly | Varies; some have steep learning curves |
| Integration | TCP/IP, likely SDK | Varies; enterprise models have richer integrations |
When to choose this unit
We recommend this device when mobility or lack of wired internet is a concern, when moderate user capacity is needed, and when both face and fingerprint modalities are desired for flexible verification.
When to consider alternatives
We suggest considering other units if the deployment requires tens of thousands of templates, built-in RFID card readers in specific formats, or advanced enterprise integration out of the box.
Pros and cons
We offer a balanced view so decision-makers can weigh trade-offs. Below we list positive and negative aspects based on specifications, typical real-world performance, and features.
Pros
- Versatile connectivity with 4G/GPRS and TCP/IP for flexible deployment.
- Dual-biometric support (face + fingerprint) increases reliability and user options.
- Large template capacity suitable for many small-to-medium organizations.
- Optional internal battery provides continuity during short power outages.
- Multi-language and user-friendly UI reduce training time.
- High verification speed helps during peak times.
Cons
- Battery is optional — may be an added cost if required.
- Template capacities may be limiting for very large enterprises if both modalities are stored per user.
- Integration may require vendor-specific software or an SDK for custom systems.
- Environmental factors (lighting, dirty fingers) still affect biometric accuracy.
Pricing and value
We consider the unit’s cost-effectiveness relative to features. The Uface402 typically targets organizations wanting robust features without enterprise pricing. We find it offers good value where cellular connectivity or battery backup are advantages, and where both face and fingerprint biometrics are required.
Ongoing costs
We remind readers about recurring expenses. If using 4G/GPRS, a cellular data plan is required; factor this into total cost of ownership. Optional battery purchase, maintenance, and potential software licensing for central management may also add to costs.
Use cases and deployment scenarios
We describe typical environments where the device excels and where it might be less appropriate.
Ideal deployments
- Remote sites (construction, pop-up stores) where wired internet is not present.
- Small to medium offices requiring reliable time attendance and door control.
- Clinics and labs needing quick verification and fallback authentication.
- Branches of organizations requiring independent, real-time attendance reporting.
Less suitable deployments
- Very large enterprises requiring centralized control of tens of thousands of users without clustering multiple devices.
- High-security environments with advanced access control policy requirements that exceed the device’s integration features without additional middleware.
Maintenance and firmware updates
We note the importance of updates and upkeep. Keep firmware updated to address security vulnerabilities and to benefit from algorithm improvements. Check vendor release notes and perform updates during maintenance windows.
Routine maintenance checklist
- Clean fingerprint sensor weekly or as needed.
- Wipe camera lens monthly to ensure clear facial captures.
- Verify network connectivity and check logs for synchronization errors.
- Test battery health if the optional battery is installed.
Frequently asked questions (FAQ)
We provide concise answers to likely questions users will have.
Q: Can the device work without electricity? A: The optional built-in battery provides about four hours of operation, but a long outage will require an external UPS or generator.
Q: How many users can we store? A: The unit supports up to 3,000 face templates and 4,000 fingerprint templates; if both modalities are used per user, effective user capacity may be lower.
Q: Is the data secure over 4G? A: Security depends on configuration. Use encrypted channels (VPN/TLS) and follow vendor guidelines for secure connectivity.
Q: Can it integrate with our HR/payroll system? A: It depends on your HR system and whether the vendor supplies integration modules or an API/SDK. Consult the vendor for compatibility.
Q: How fast is verification? A: Verification is described as high speed; under good conditions, face or fingerprint authentication typically takes less than a second.
Final thoughts and recommendation
We summarize our position based on the features and likely real-world use. The 4G GPRS TCP/IP Facial Face Recognition Time Attendance Machine Biometric Fingerprint Door Access Control System,Uface402 is a versatile and practical choice for organizations that need reliable biometric attendance and access control with flexible connectivity options. Its combination of face and fingerprint biometrics, multi-language UI, and optional battery backup make it well-suited for many small-to-medium deployments and remote locations.
We recommend this device when:
- Cellular connectivity or flexible network options are required.
- Both facial recognition and fingerprint fallback are desired.
- Moderate template capacity is sufficient for the organization’s size.
We encourage organizations considering the Uface402 to:
- Confirm software compatibility with their existing systems.
- Plan for secure network configuration and encrypted data transmission.
- Consider purchasing the optional battery if power interruptions are common.
If we can help further by comparing specific models, outlining an installation checklist for your building, or drafting questions to ask the vendor about integration and security, we’re ready to assist.
Disclosure: As an Amazon Associate, I earn from qualifying purchases.
