The eSSL Emerald is an Aadhaar-certified face + fingerprint biometric machine featuring Android 14 OS, dual biometric modalities (face with binocular camera + STQC L1-certified fingerprint), robust connectivity, and long battery runtime. Designed specifically for Aadhaar e‑KYC, AePS, and time-attendance use across government, healthcare, retail, and institutional settings, Emerald delivers high security, seamless data capture, and flexible deployment.
🔍 Key Features in eSSL Emerald
- Dual Aadhaar Authentication (Face + Fingerprint) in eSSL Emerald
 Infrared binocular camera (5 MP + IR lens) enables live face detection; paired with optical STQC‑certified L1 fingerprint sensor for compliance with UIDAI standards.
- Modern Hardware & Performance in eSSL Emerald
 Powered by a MediaTek MT8766B chipset (Quad-core A53 at 2.0 GHz + IMG GE8300 GPU), 4 GB DDR RAM and 64 GB eMMC storage ensure fluid operation even with large databases.
- Large Touchscreen Display in eSSL Emerald
 A vibrant, 7″ capacitive G+G touchscreen supports five-point touch, with 1024×600 resolution and 220 cd/m² brightness for clear operator interactions.
- Excellent Connectivity in eSSL Emerald
 Supports TCP/IP, Wi-Fi, GPRS/GPS, USB (Type-C and host), Bluetooth 5.0, dual SIM card slots, and TF/microSD card (up to 256 GB). Enables versatile offline or remote Aadhaar authentication workflows.
- Long Battery Life for Mobility with eSSL Emerald
 A robust built-in battery (3.7 V, ~7,800 – 9,600 mAh) supports portable use with up to 3–5 hours of operation without main power depending on usage intensity.
- Secure Algorithms & STQC Compliance with eSSL Emerald
 Implements AES/CBS/HMAC‑SHA256 algorithms for secure data handling. Certified to Aadhaar STQC L1 standards.
- Rugged & ergonomic build by eSSL Emerald
 ABS + PC plastic shell offers durability. Size: 199.2 × 161.5 × 32.1 mm and light enough to be handheld yet sturdy for desk use.
🛠️ Technical Specifications of eSSL Emerald
| Feature | Specification | 
|---|---|
| Operating System | Android 14 | 
| CPU / GPU | MT8766B (4×A53 @2.0 GHz + IMG GE8300 @660 MHz) | 
| Memory / Storage | 4 GB DDR / 64 GB eMMC | 
| Display | 7″ capacitive G+G, resolution 1024×600, brightness 220 cd/m² | 
| Face Camera | Binocular 5 MP + IR lens | 
| Fingerprint Sensor | Optical STQC L1-certified | 
| Connectivity | TCP/IP, Wi-Fi, USB type‑C, USB host, dual SIM, Bluetooth 5.0, GPS, micro‑SD slot (256 GB) | 
| Audio | Built‑in stereo speakers (8 Ω, 1 W × 2) | 
| Battery | 3.7 V, ~7,800 – 9,600 mAh | 
| Power Adapter | 12 V, 2 A | 
| Enclosure | ABS + PC Plastic | 
| Dimensions | 199.2 × 161.5 × 32.1 mm | 
| Touch Interface | 5-point capacitive touch | 
| Security Algorithms | AES/CBS, no‑padding, HMAC‑SHA256 | 
| Certifications | STQC L1, UIDAI compliance | 
✅ Benefits & Use Cases in eSSL Emerald
- Certified for Aadhaar Authentication
 Dual modality ensures high compliance with UIDAI specifications and secure KYC transactions.
- Fast & Fluid Experience
 Cutting-edge chipset plus high-touch display allows quick face/fingerprint capture and responsive interface.
- Flexible Deployment Modes
 Supports online and offline modes; can function as kiosk or field device thanks to battery backup and SIM connectivity.
- Scalable for Projects
 Large onboard storage plus external memory support ensures capability for high-volume government or hospital enrollment drives.
- Data Security & Integrity
 Government-grade cryptographic protocols protect sensitive biometric data both at rest and in transit.
- User-friendly Design
 Ergonomic shape, color screen interface, and intuitive navigation reduce operator training requirements.
🔧 Installation & Setup
- Power & Charging
 Use supplied 12 V/2 A adapter. Battery charging completes in ~4 hours.
- Network Configuration
 Configure via Wi‑Fi or wired Ethernet. Insert SIM cards for GSM data connectivity and GPS tracking if needed.
- Biometric Enrollment
 Register users via face or fingerprint or both. System handles Liveness, image quality, encryption automatically.
- Software Integration
 Use eSSL’s Aadhaar SDK/Android APIs or integrate with Aadhaar Authentication services for e‑KYC workflows or attendance logging.
- Data Export or Sync
 Logs can be transferred via USB host thumb drive, Wi‑Fi upload, or GPRS.
🙋 Frequently Asked Questions:
- Is the device Aadhaar (UIDAI) certified?
 Yes—optical fingerprint sensor is STQC L1-certified and face plus finger authentication meets UIDAI norms.
- Does it support both face and fingerprint modes?
 Yes—it supports dual biometric modalities, selectable per use case.
- What OS does it run on?
 Android 14, providing modern UX and API support.
- What is the onboard memory?
 4 GB DDR RAM and 64 GB eMMC flash storage for apps and logging.
- Can biometric logs be exported?
 Via USB host, Wi‑Fi/GPRS sync, micro‑SD backup, or Bluetooth.
- Does it support dual-SIM mobile data?
 Yes—two SIM slots allow fallback connectivity deployment.
- Length of on‑board battery?
 About 3–5 hours of operation on full charge, depending on usage.
- What biometric algorithms are used?
 Secure AES/CBS encryption and HMAC‑SHA256 for data protection.
- Is it durable for frequent handling?
 Yes—ABS + PC construction with a rugged enclosure.
- How vibrant is the display?
 7″ capacitive touch, 1024×600 resolution, 220 cd/m² brightness for clarity indoor/outdoor.
- Does it support Bluetooth?
 Yes—Bluetooth 5.0 for peripheral device pairing or offline sync.
- Maximum external storage?
 Supports micro‑SD (TF card) up to 256 GB.
- Can it operate without mains power?
 Yes—built‑in battery enables mobile operation in remote areas.
- Is there GPS capability?
 Yes—GPS module available for field asset tracking or attendance logging.
- What are ideal use cases?
 Aadhaar enrolment, public benefits distribution, remote attendance, e‑KYC at clinics or camps.
- Connection options for backend systems?
 Ethernet, Wi‑Fi, USB, GPRS via SIM, and Bluetooth.
- Does it support software SDK?
 Yes—includes Android-based APIs compliant with UIDAI Device Capture API specification.
- Can it integrate with eTime or payroll tools?
 Yes—can export logs or push data to HR/attendance systems.
- Charging time?
 Full charge via 12 V/2 A adapter typically in ~3–4 hours.
- What power adapter is required?
 Standard 12 V DC, 2 A adapter provided.




Nisha Kulkarni –
I’m very impressed with the quality of this product. Totally worth it.