Portable Interactive Whiteboard WB2900
This is a portable interactive teaching solution that transforms any standard magnetic whiteboard, flat surface or wall into an interactive board. A true plug and play solution!
It is designed to transform superb agility and reliability in interactive writing on all types of projection screens. The software records every interactive pen stroke you write on your board, so you don’t lose any information. Easily and securely broadcast your whiteboard notes over the internet in realtime to anyone
Specifications
Working Principle: Infrared image processing position tracking
Active Area: Max 150 inch
transmission Interface: USB
Applied To: Any material including soft screen and white wall
Aspect Ratio: 4:3,16:9
Communication Distance: 7m USB standard line (Supporting 20m)
Power Consumption:≦ 1w
Response Time: ≦ 25ms(it depends on the computer)
Resolution: 5000×4000
E-pen Light Emitted: Infrared
Battery Required: AAA battery x2
Ability to resist the drop of a pen: 2 meters
OS Required: Windows 2000/XP/Vista/7/8/10, Linux Ubuntu 14.04,16.04. Debian 8
WB2900L Projection Ratio: 1.28
Projection Size 4:3 Recommend Installation Distance
70 inch 2200mm
80 inch 2600mm
100inch 3200mm
120inch 3800mm
WB2900M Projection Ratio: 0.83
Active Size 4:3 Recommend Installation Distance
70 inch 1500mm
80inch 1750mm
100inch 2100mm
120inch 2500mm
WB2900S Projection Ratio: 0.25
Active Size 4:3 Recommend Installation Distance
70 inch 450mm
80 inch 510mm
100 inch 660mm
120inch 800mm



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- General Specifications
| Parameter | Details |
| Product Type | Wireless Digital Conference Microphone System |
| Model Number | M3000/F2C |
| Usage | Boardrooms, conference halls, hotels, ministries, churches, corporate presentation rooms, etc. |
| Installation | Portable / Tabletop (no wiring required) |
| Body Material | High-grade ABS + brushed aluminium finish |
| Colour | Black / Dark Graphite |
| Operating Mode | Wireless (Transmitter + Microphone Console) |
| Interface Language | English |
- Microphone Specifications
| Parameter | Details |
| Microphone Type | Dual-beam digital microphone array |
| Pickup Pattern | Unidirectional / Extended front beam |
| Frequency Response | 100Hz – 12kHz |
| Signal Processing | Digital Noise Reduction (DNR), Echo Cancellation (AEC), Automatic Gain Control (AGC) |
| Voice Capture Range | 80–120 cm effective pickup |
| Sensitivity | –45 ± 2 dB |
| Microphone Arm | Dual adjustable bars with internal mesh protection |
| Wind/Pop Filter | Integrated |
- Wireless Transmission
| Parameter | Details |
| Transmission Type | 2.4GHz or proprietary wireless band (interference-resistant) |
| Effective Range | 10–20 meters, depending on the environment. |
| Encryption | Secure digital encrypted channel. |
| Latency | < 20 ms. |
| Pairing | Auto-pair with the included wireless control unit |
- Control & Display Panel
| Parameter | Details |
| Display Type | Full-colour TFT digital screen |
| Display Functions | Battery level, signal strength, mic status, channel info, volume indicators |
| Control Buttons | Volume + / Volume, Mute, Mode Select, Power |
| Mute Indicator | LED light indicator |
| Backlight | Auto-dimming energy-saving mode |
- Power & Battery
| Parameter | Details |
| Power Input | USB Type-C, DC 5.0V / 2.0A |
| Charging Method | Type-C fast charging |
| Battery Type | High-capacity rechargeable lithium battery |
| Battery Backup | Up to 6–10 hours (depending on usage) |
| Charging Time | 2–3 hours |
| Power Module | External wireless control/charging box included |
- Audio Features
| Parameter | Details |
| Audio Codec | High-definition digital audio |
| Echo Cancellation | Yes |
| Noise Suppression | Yes multi-level DSP |
| Automatic Gain Control (AGC) | Yes |
| Feedback Reduction | Yes |
| Volume Control | Digital precision increments |
- Connectivity
| Parameter | Details |
| Ports | 1x Type-C Power Input |
| Wireless Receiver | Integrated |
| Compatibility | PA systems, multimedia devices, interactive flat panels, laptops (via external mixer/adapter) |
- Physical Specifications
| Parameter | Details |
| Base Dimensions | Approx. 150mm x 110mm x 70mm |
| Microphone Length | Dual 180mm directional bars |
| Weight | Approx. 500g |
| Material Finish | Brushed metallic texture top panel |
- Environmental Requirements
| Parameter | Details |
| Operating Temperature | 0°C – 45°C |
| Storage Temperature | –10°C – 60°C |
| Humidity Resistance | 10% – 90% (non-condensing) |
- Included Accessories
- Wireless microphone console (dual-beam unit for Chairman & single-beam unit for delegates)
- LEAD wireless control/charging box
- USB Type-C charging cable
- User manual
- Warranty card
- Warranty
| Coverage | Details |
| Standard Warranty | 12 months |
| Support | Remote & on-site (where applicable) |
| Manufacturer | Lead Technology Innovation Ltd. |


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