RFID, UHF & Biometric Attendance Hardware
We are hardware-agnostic. If your campus already has readers we integrate with them; if not, here is what each option costs you in money, gate throughput and parent goodwill.
RFID & NFC Smartcards
13.56 MHz / 125 kHzStandard RFID proximity badges, student ID cards, keyfobs, and wristbands for quick tap-and-go entry.
Works with MIFARE Classic, MIFARE DESFire and EM4100 cards. Cards can be printed with the student photo, name and roll number so they double as school ID. Read range is a few centimetres, which means students must tap deliberately — slower than UHF, but far cheaper per gate and effectively immune to accidental reads from passers-by.
- Read range
- Up to 10 cm
- Best for
- Small to mid-sized campuses with a single controlled entrance
UHF Long-Range Readers
860 – 960 MHzMulti-channel antenna gates capable of reading RFID tags from up to 8 meters away as students pass campus gates.
UHF antennae read passive EPC Gen2 tags without any action from the student — they simply walk through. A four-antenna gate clears several hundred students in a few minutes at peak arrival, which is what makes it viable for large schools where a tap queue would back up onto the road. Requires careful antenna aiming during installation to avoid reading students who are merely walking past the gate.
- Read range
- Up to 8 m
- Best for
- Large campuses with heavy simultaneous arrival traffic
Biometric Face & Fingerprint
TCP/IP API IntegrationHikvision, ZKTeco, and Dahua facial recognition terminals with anti-spoofing liveness detection.
Integrated over the vendor TCP/IP API, so the terminal continues to work as a standalone access-control device while forwarding recognised identities to us. Biometric templates never leave the terminal — we store only the student ID and timestamp. This is the option to choose when badge-sharing is a real concern, and the one to avoid if your parent body is sensitive about biometric collection.
- Read range
- Contact / 0.3 – 1 m
- Best for
- Campuses where proxy attendance must be eliminated
Mobile Exit QR Scanners
Camera / Laser ScannerHandheld Android/iOS scanner devices at exit gates to verify parent student leave QR passes.
Any Android or iOS phone works — no dedicated hardware needed. Gate staff scan the QR pass a parent received after teacher approval; the pass is validated against the server, consumed so it cannot be reused, and the exit is logged. Falls back to a manual student-ID lookup if the phone is offline, and syncs when connectivity returns.
- Read range
- Camera distance
- Best for
- Every campus — this is the mid-day exit control layer
RFID or biometric — how to choose
Most schools should start with RFID cards. They are the cheapest per student, parents understand them immediately, and a lost card costs ₹40 to replace rather than requiring a re-enrolment appointment. The honest weakness is badge sharing: a card proves a card was present, not that a student was.
Move to biometrics when proxy attendance is a genuine problem — typically senior secondary and university campuses where attendance is tied to exam eligibility. Expect a slower gate: face recognition takes roughly a second per student and cannot be parallelised the way a UHF antenna can, so budget one terminal per 200 students arriving in the peak window.
Choose UHF over tap readers purely on throughput. If more than about 400 students arrive in the same fifteen-minute window through one gate, tap readers will form a queue and UHF pays for itself. Below that, tap readers are the better value. Many campuses run a mix — UHF on the main gate, tap readers on the staff and rear entrances.
Not sure what your campus needs? Send us your gate layout and student count →
What installation actually involves
Gate hardware is the part of a school software rollout that most often slips. The honest version of the timeline:
Week 1 — Site survey and student data
We need your gate layout, the width of each lane, whether power and network reach the gate, and your student roster as a CSV. The roster is usually the bottleneck, not the hardware — budget real time for cleaning class assignments and parent phone numbers.Week 2 — Card printing and encoding
Cards are printed with photo, name and roll number, then encoded and mapped to student records. Order 5–10% spares; cards get lost in the first month at a rate that surprises every school.Week 3 — Mounting and commissioning
Readers are mounted, powered and connected. UHF antennae need aiming and power tuning so they read students passing through the gate but not students walking along the boundary wall — this is the step that decides whether your data is trustworthy, and it takes a day.Week 4 — Parallel run
Run gate capture alongside the manual register for one week and compare. Expect discrepancies on day one; they are almost always students entering through an uninstrumented gate rather than reader faults.Common failure modes, and what to do about them
| Symptom | Usual cause | Fix |
|---|---|---|
| Students marked present who never arrived | UHF antenna reading the footpath outside the gate | Reduce transmit power, re-aim, add a shield plate |
| Missed reads at peak arrival | Too many tags in the field at once, or a badge in a metal-lined bag | Add a second antenna lane; issue wrist tags for repeat offenders |
| Attendance stops updating mid-morning | Campus internet dropped | Nothing — readers buffer locally and replay on reconnect |
| A student is present but consistently unread | Damaged or delaminated card antenna | Reissue the card; the old EPC is retired automatically |
| Face terminal rejects a student repeatedly | Enrolment photo taken in poor light, or significant appearance change | Re-enrol on the terminal; takes about a minute |
On-site installation coverage
Our engineers install and commission gate hardware in person across Noida, Greater Noida, Delhi, Ghaziabad, Gurugram, Faridabad. Elsewhere in India we ship pre-configured readers and run commissioning remotely with your campus IT staff — the survey and aiming steps are done over video, which adds a few days but works well.
Send us your gate layout →