Qtenboard exclusive etched AG nano‑glass delivers smooth full‑surface writing. It supports ordinary chalk, dust‑free chalk and liquid marker pens, keeping teachers’ familiar blackboard habit while enabling digital interactive operation.
Qtenboard Nano Smart Blackboard adopts high‑color‑gamut 4K UHD panel, reproducing up to 1.07 billion colors. Every teaching graphic and course video shows authentic, rich details for the whole class.
Our nano smart blackboard carries TÜV Rheinland Eye Comfort, Low‑Blue‑Light and Flicker‑Free certifications, effectively reducing visual fatigue for long‑hour classroom use.
Authorized eye‑protection certifications are tailor‑made for K12 classrooms. Both teachers and students stay comfortable even facing the screen for long periods, creating a healthier digital teaching environment from Qtenboard.
Qtenboard Nano Smart Blackboard integrates high‑resolution camera, full‑room microphone array and front‑facing speakers out‑of‑box, supporting hybrid classroom, remote teaching and multi‑site interactive lessons without extra peripherals.
Even sound coverage reaches every corner of large‑size classrooms
Clear teacher voice captured within 8‑meter teaching range
Covers most classroom area, less frequent pan‑tilt‑zoom adjustment during remote lessons
Qtenboard front‑access Type‑C port unifies video, audio, touch, network and power delivery. It supports 4K@60Hz signal output, up to 65W reverse charging and laptop wired network access, greatly simplifying classroom peripheral connection.
Powered by Qtenboard self‑developed EDU OS V3.0, optimized for real‑world teaching scenarios. Shortcut keys for core teaching functions help teachers operate quickly and raise classroom efficiency.
Purpose‑built education‑oriented OS. Intuitive operation allows teachers of all technical levels to deliver vivid interactive lessons easily.
Qtenboard original teaching toolkit. Rich classroom interaction tools help teachers engage students and achieve better learning outcomes.
Qtenboard wireless mirroring solution. Stream PC and mobile content smoothly onto large panel. Up to 9‑screen simultaneous casting supports group collaborative learning.
Reduce on‑site maintenance workload and keep classroom devices stable. IT administrators can remotely monitor, configure and manage all Qtenboard nano blackboards via self‑developed Qtenboard DMS cloud platform, no need for on‑site classroom visits.
Qtenboard full‑metal nano smart blackboard merges traditional push‑pull chalk blackboard and interactive flat panel into one unit. Simplified mechanical structure delivers unified appearance and practical teaching functions for school classrooms.
Qtenboard adopts rounded arc corner transition design, lowering risk of student collision injury and equipment damage in busy classroom environments.
Deliver stable teaching performance lesson after lesson. Qtenboard Nano Smart Blackboard comes with industry‑leading 3‑Year Hot‑Swap Warranty, bringing solid after‑sales guarantee for school digital classroom projects.
| Brand | |
|---|---|
| Qtenboard | |
| Available Sizes | |
| 75'' / 85'' / 86'' / 98'' | |
| Model Number | |
| QM‑HB75NM / QM‑HB85NM / QM‑HB86NM / QM‑HB98NM |
|
| Display Parameters | |
| Visible area(mm) | 1650.24 x 928.26 |
| Resolution | 3840 x 2160, 4K UHD |
| Aspect Ratio | 16:9 |
| Brightness | >350cd/m²(typ.) |
| Contrast Ratio | 4000:1 |
| Response Time | ≤8ms (typ.) |
| Pixel Pitch(mm) | 0.4298 x 0.4298 |
| Refresh Rate | 60Hz |
| Panel Lifespan | >30,000 hrs |
| Color Depth | >1.07B Colors |
| HDR Support | Supported |
| Side Nano Blackboard Panels | |
| Material | Nano honeycomb blackboard panel, magnetic‑attraction compatible |
| Panel Color | Matte Black |
| Quantity | Left × 1, Right × 1 |
| Physical Size | Custom‑matched to main display dimension |
| Chalk Tray | School‑grade safety‑compliant design |
| Touch Performance | |
| Touch Technology | Infrared / Capacitive (configurable) |
| Cover Glass | 4mm Thick Tempered Glass |
| Glass Surface | Qtenboard exclusive etching AG process |
| Touch Input | Finger touch / Capacitive stylus |
| Max Touch Points | 20‑50 Points |
| Interpolation Resolution | 32768(W) × 32768(D) |
| Touch Accuracy | ≤2mm |
| Touch Response | ≤6ms |
| Light Transmittance | ≥82% |
| Haze Value | ≤2.5 |
| Surface Hardness | ≥7H |
| Surface Treatment | Anti‑Glare, Anti‑Fingerprint |
| Touch Activation Diameter | Single‑point ≥1.6mm Multi‑point ≥3mm |
| System Specifications | |
| Android OS | Android 14.0‑16.0 (Option) |
| CPU | Octa‑core A5 / Quad‑core A73 Quad‑core A72 + Quad‑core A53 Quad‑core A78 + Quad‑core A5 (configurable) |
| GPU | Mali‑G52*4 / G52 / 8‑core G52 |
| RAM + ROM | 4+32G / 8+128G / 16+256G (Optional upgrade) |
| OSD Languages | English & Multi‑language support |
| OPS Module (Optional) | Windows10 / Windows11 i3 / i5 / i7 8+256G / 16+512G and higher options |
| Audio System | |
| Speaker Layout | Left‑Right front‑facing channels |
| Audio Channel | 2.0 Stereo |
| Speaker Power | 2×15W |
| WiFi & Wired Network | |
| Wired LAN | 10/100Mbps Ethernet |
| WiFi Hardware | Dual‑band built‑in WiFi, support AP Hotspot |
| WiFi Standard | Station: 802.11 b/g/n AP Hotspot: 802.11 a/b/g/n/ac |
| Frequency Band | Station: 2.4GHz AP Hotspot: 2.4GHz / 5GHz |
| Effective Wireless Distance | 0~12m |
| Bluetooth | |
| Module | Built‑in Bluetooth |
| Version | Bluetooth 5.0 |
| Working Frequency | 2.4GHz |
| Transmission Range | 0~12m |
| Built‑in Camera | |
| Mount Position | Top‑center embedded |
| Quantity | 1 Unit |
| Camera Resolution | 48‑Megapixel |
| Field of View FOV | Diagonal: 78° / Horizontal: 63° / Vertical: 49° |
| Microphone Array | |
| Mount Position | Bottom bezel embedded |
| Microphone Quantity | ≥4‑element array, voice pickup range: 0‑8m |
| Physical Document Camera (Optional) | |
| Availability | Built‑in document camera optional |
| Interface | USB2.0 |
| Module Dimension | 437.9mm*75.5mm*274mm |
| Electrical Specifications | |
| Reference Model | 75‑inch QM‑HB75NM |
| Input Voltage | AC 100 ~ 240 V, 50/60 Hz |
| Max Power Consumption (without OPS) | 400W |
| Standby Power | <0.5W |
| Energy Efficiency Rating(CEL) | Level 1 |
| Indicators & Physical Buttons | |
| Status Indicator | Front‑bezel mounted |
| Indicator Light Color | Red、Blue |
| Control Buttons | Front‑bezel mounted |
| Button Configuration | 7 physical buttons + recessed jack port |
| Environmental Conditions | |
| Operating Temperature | 0℃~40℃ |
| Operating Humidity | 10%~85%RH |
| Storage Temperature | -20℃~60℃ |
| Storage Humidity | 10%~90%RH |
| I/O Interfaces | |
| Type‑B 2.0, Type‑C, HDMI in, HDMI out, USB 2.0 / 3.0, USB‑B, DP, VGA, TF Card, MIC, RJ45 in, RJ45 out, RS232 in and more (optional)
Download Full Specification PDF |
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A: The daily production capacity of Qtenboard is approximately 200 pieces. If it's a large‑scale order, we will directly activate all three production lines across China and support mass customization.
A: Yes, it supports white‑labeling and customization (brand, UI, wallpaper, packaging, etc.).
A: Qtenboard has CE, RoHS, COO, CCC, ISO9001, etc. Each product undergoes strict tests before leaving the factory.
A: We need to know your specific requirements and quantity. Generally, a sample order can be dispatched within 3 working days. We support shipping by sea, land, and air.
A: Yes, we do. Qtenboard provides remote system upgrades and equipment management. We are available 24/7 online.
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