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Model:QM-LD01
Release time:2026-09-09
Nature:Manufacturer
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One-click screen transmission ｜ Touch Return ｜ Full platform compatible ｜ Low latency security screen
Specially built for smart classrooms and enterprise conference rooms, 1080P HD wireless sharing, ≤ 120ms low transmission delay, supports simultaneous access of up to 8 devices, takes into account teaching demonstration, meeting report, and prevents leakage safely.
From smart classrooms to corporate conference rooms, plug and play, share at any time.
Teachers' computers and mobile phones are quickly put into the teaching screen, one-click initiation, courseware is presented in real time, and classroom interaction is more efficient.
Notebooks and tablets can quickly share PPT and scheme documents with multiple devices, switch speakers at the second level, and the meeting collaboration will be uninterrupted.
Teachers' computers and mobile phones are quickly thrown into the teaching screen to support touch return and classroom interactive teaching.
Notebook, tablet multi-device fast sharing PPT, program documents, efficient meeting collaboration.
Many people take turns to cast the screen for demonstration, quickly switch the signal source, and the demonstration process is seamless.
Six core competencies, covering the whole process of the screen.
Tap the device button to complete the wireless screen projection, wireless projection between the computer and the large screen, without complicated wiring, and instantly send PPT, documents and video pictures to the large screen.
Not only the computer picture is put on the large screen, but also the touch return can be realized: the touch operation is directly carried out on the large screen, the instruction is returned to the computer host, the content of the computer-side document is directly modified on the large screen, and the interactive scene of the teaching all-in-one machine can be adapted.
Full coverage of mainstream systems: Windows, Mac OS, Android, iOS; Mobile phones, tablets and notebook computers can be accessed, supporting up to 8 input sources to connect at the same time, multiple devices are on standby, and the screen can be switched at any time.
Support scan code connection, screen transmission code connection, near-field discovery and one-key connection at the receiving end. Support screen transmission control in extended screen mode; Using CCMP encryption and WPA2-PSK authentication protocol, wireless transmission is safe and reliable.
The output resolution is 1920 × 1080 full HD; The transmission delay is controlled within 120ms. Windows platform 25fps, iOS platform 30fps frame rate output, document courseware, video playback screen smooth.
The net weight of the whole machine is only 63.3g, and it is small in size and easy to carry with you. USB2.0 interface, 5VDC power supply, the power consumption of the whole machine is only 2.5W; Through GB series environmental test standards, it works at a wide temperature and adapts to the complex environment of classrooms and conference rooms.
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Product Details
The bidding and purchasing are friendly, and the parameters are subject to the specifications.
| Project Item |
Technical parameters Parameters (中文) |
Parameters (English) |
|---|---|---|
| Brand modelBrand & Model | QUNMAO QM-LD01 | QUNMAO QM-LD01 |
| Output resolutionOutput Resolution | 1920×1080 (1080P) | 1920 × 1080 (1080P) |
| Number of simultaneous access input sourcesConcurrent Input Sources | Maximum of 8. | Up to 8 devices |
| Hardware InterfaceInterface | USB 2.0 × 1 | USB 2.0 × 1 |
| Input voltageInput Voltage | DC 5V | 5V DC |
| Power consumption of the whole machinePower Consumption | 2.5W | 2.5W |
| Transmission delayTransmission Delay | ≤ 120ms | ≤ 120ms |
| Compatible operating systemOperating System | Windows 7/8/10；Mac OS X 10.6 以上；Android；iOS | Windows 7/8/10; Mac OS X 10.6 ; Android; iOS |
| Wireless protocolWireless Protocol | IEEE 802.11 a/g/n;2.4GHz & 5GHz dual band (5GHz recommended) | IEEE 802.11 a/g/n; 2.4GHz & 5GHz dual band (5GHz recommended) |
| Wireless rateWireless Data Rate | 54Mbps | 54Mbps |
| encryption authenticationEncryption & Auth | CCMP encryption, WPA2-PSK authentication protocol | CCMP encryption, WPA2-PSK authentication protocol |
| Frame rateFrame Rate | Windows：1920×1080@25fps；iOS：1920×1080@30fps | Windows: 1920×1080@25fps; iOS: 1920×1080@30fps |
| wireless transmission distanceWireless Range | Maximum 15 m (visual distance) | Up to 15m (line of sight) |
| Operating ambient temperatureOperating Temperature | +5℃ ~ +40℃ | 5℃ to 40℃ |
| Storage temperatureStorage Temperature | -20℃ ~ +60℃ | -20℃ to 60℃ |
| Operating humidityOperating Humidity | 0-80% RH (non-condensing) | 0-80% RH (non-condensing) |
| Storage humidityStorage Humidity | 0-95% RH (no condensation) | 0-95% RH (non-condensing) |
| Overall dimensionsDimensions | 61 × 156 × 17 mm | 61 × 156 × 17 mm |
| Net weightNet Weight | 63.3g | 63.3g |
| Core featuresCore Functions | One-button screen projection, touch return, extended screen mode, 8-device concurrent access, multi-connection mode, encrypted and secure transmission | One-key casting, touch back control, extended screen mode, 8 concurrent devices, multiple connection modes, encrypted secure transmission |
| Applicable scenariosApplications | Smart classrooms, multimedia conference rooms, training institutions, lecture halls | Smart classrooms, multimedia meeting rooms, training centers, auditoriums |
Note: the environmental test standard reference GB2423 series high and low temperature, hot flash test standard.
Connect the USB interface of the QM-LD01 screen transmitter to the USB port of the computer to complete power supply and communication.
Tap the key of the device body to launch the screen. Support the same LAN and hot spot networking.
Support receiving one-key connection, scan code connection, screen transmission code connection, near-field discovery service connection.
The large-screen all-in-one machine can turn on the touch return function, which can directly touch the large screen, reverse control the computer and modify courseware documents.
Support mirror copy mode, extended screen mode, conference teaching on-demand switching.
Up to 8 devices are connected at the same time, the current screen source is switched as needed, and the demonstration takes turns without interruption.
Priority to use 5GHz band screen, compared to 2.4GHz anti-interference stronger, more stable picture.
Use environment to ensure good grounding; avoid using equipment in high temperature, humidity and condensation environment.
Wireless transmission of 15 meters for the visible unobstructed distance, walls, metal obstacles will shorten the effective transmission distance.
Do not disassemble the device; avoid bending the connecting wire with great force.
The working temperature of the equipment shall not exceed 5 ℃ ~ 40 ℃. For long-term use, please store it in a dry environment of -20 ℃ ~ 60 ℃.
Working max. 10000ft; storage max. 20000ft.
QM-LD01 wireless screen transmitter host; Supporting documentation.
Education projects are supplied in batches, which can provide specifications and test standard materials, support bidding and matching, and provide technical docking.
Perfect adaptation QUNMAO push-pull green board with teaching integrated machine set of smart classroom program.
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