Interactive flat panels for
Indian classrooms.

The single biggest spec mistake is going one size too small. Last-row distance drives diagonal — not the room's budget line.

• Quick rule: last-row distance (in feet) ÷ 4 ≈ minimum diagonal in inches.
• Typical Indian classroom (40 students, 30 ft deep) → 75″ or 86″ IFP.
• Smaller training rooms, language labs, makerspaces → 65″.
• Hybrid lecture halls and auditoria → 86″ + secondary confidence monitor.

Most school-grade IFPs use infrared touch — it's cheap, it supports up to 20 touch points, and it works with finger, stylus and the back of a marker cap. The trade-off is a small air gap between the glass and the LCD, which makes ink feel ever-so-slightly "floating".

• IR (infrared): the default for K-12. 20-point multi-touch, low cost, easy to service.
• Optically-bonded glass: insist on this for higher-ed, design schools and labs where students actually paint or sketch. Ink lands "on" the glass, not above it.
• Pen + finger + palm rejection: the demo test — write with the pen while resting your palm. If the palm draws a line, walk away.

Two architectures dominate the Indian market: Android-first IFPs (MAXHUB, Panasonic SL) and Android + Windows OPS slot. Most schools genuinely need dual-OS.

• Android handles daily lessons: whiteboard, screen-share, browser, recorded lecture playback, content libraries.
• Windows OPS handles board exams and Windows-only software — accreditation tools, ICSE/CBSE-locked utilities, legacy curriculum apps.
• Indian content ecosystems to validate: Diksha, NCERT, board-mapped libraries, MS-Teams for Education, Google Classroom, screen-share apps, whiteboard SDKs.

Brightness is the spec that quietly wrecks classrooms. South-facing classrooms with unshaded windows need 500 nits; curtained lecture rooms can get away with 350–400 nits.

• 350–400 nits is enough for a curtained classroom.
• 500 nits if windows are unshaded or the IFP faces a window.
• Pro-grade panels (MAXHUB, Panasonic SL) beat consumer TVs on backlight rating and burn-in resistance — they're built for 8-hour daily duty.
• LG UH5Q and UL5Q signage panels often deploy alongside IFPs in admin lobbies and corridors — same brand stack, different job.

Teachers walk in with laptops, phones and tablets. The IFP that doesn't accept all three is the IFP that gathers dust.

• Minimum spec: 3× HDMI-in, 1× HDMI-out, USB-C with PD (so a teacher plugs the laptop and charges it on the same cable).
• AirPlay, Miracast and Chromecast for tablets and phones.
• USB touch-back-channel is non-negotiable — it's how the laptop gets multi-touch from the panel.
• Wireless presentation buttons (BYOM) for mixed-device classrooms — one button on the lectern, no driver install per device.

The pandemic-era rush left a lot of classrooms with hybrid setups that sound worse than a phone call. Audio is half the IFP.

• 2× 15W front-firing speakers minimum — front-firing, not rear or side.
• Pickup mic range — demo it from the back row. If the IFP can't hear a question from row 6, it's a teaching IFP, not a hybrid one.
• AEC (acoustic echo cancellation) and noise suppression — turn on Teams or Meet during the demo and clap from various angles.

A 75″ IFP with no AMC and no teacher training is an expensive whiteboard. Plan the AMC line in the BoQ, not as an afterthought.

• 3-year on-site warranty as the floor; 5-year for tier-1 institutions.
• Teacher training is usually under-budgeted — ask for 2 sessions per term for the first year.
• Spare-part SLAs in tier-2 cities — verify before signing. Most failures are OPS modules, mounts and trolleys, not panels.

VVT supplies MAXHUB, LG and Panasonic across Karnataka and pan-India, handles installation, teacher training and 3-year AMC. We don't lock you to a single brand — we quote what fits your room, your content stack and your AMC tier.