PM401 21.5-inch Digital Lectern

Name: PM401 21.5-inch Digital Lectern
Brand: Unisign

Bring your presentation controls into one place. PM401 21.5-inch Digital Lectern — display size: 21.5 inch; resolution: 1920 × 1080 px.

21.5″Speaker display diagonal

1920 × 1080 pxSpeaker display resolution

500 cd/m²Speaker display typical brightness

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Products are supplied on a quotation basis. Share your required quantity, configuration and delivery location to request a project-specific quote.

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A closer look

A considered platform for your presentation.

Plan a speaker-facing interface for your lecture theatre, meeting room or training space. The lectern, room AV equipment and presentation software should work as one agreed configuration. For this model: display size: 21.5 inch; resolution: 1920 × 1080 px.

The details that matter

Product specifications

Model PM401 21.5-inch Digital Lectern

Manufacturer-published values for this model. Confirm the final specification with your quotation.

PM401 21.5-inch Digital Lectern technical specifications
Model reference	PM401 21.5-inch Digital Lectern
Speaker display diagonal	21.5 inch
Speaker display resolution	1920 × 1080 px
Speaker display typical brightness	500 cd/m²
Touch technology	PCAP Multi-Touch

Model PM401 21.5-inch Digital Lectern

Inside the specification.

Manufacturer-published details for this model. Optional configurations remain subject to your quotation.

Speaker-screen and audience-screen specifications are separate. Confirm the audience display and player selected for the quotation.

No manufacturer SKU has been confirmed for this named configuration; use the model reference and source page when requesting information.

Speaker display and connections

PM401 21.5-inch Digital Lectern — Speaker display and connections
Speaker Display Size	21.5"
Resolution	1920*1080
Brightness (cd/m² Typ.)	500
Contrast Ratio	1000:1
Viewing Angle	89/89/89/89
Response Time (ms)	14 (Typ, G to G)
Active Display Area	476.064(W)×267.786(H) mm
Touch Type	PCAP Multi-Touch
Operating Time	24/7
Top Connections	2x USB, HDMI, On/Off, Microphone
Bottom Connections (Input)	Power, USB, Data
Bottom Connections (Output)	2x HDMI, Microphone

Audience display configuration — confirm selection

PM401 21.5-inch Digital Lectern — Audience display configuration — confirm selection
Audience display size listed for the range (confirm selection)	43"
Resolution	1920*1080
Brightness (cd/m² Typ.)	700
Contrast Ratio	1200:1
Viewing Angle (H x V)	89/89/89/89
Response Time (ms)	8 (Typ, G to G)
Active Display Area	940.896(W)×529.254(H) mm
Audience-display player configuration (confirm supply)	Android OS, 2GB RAM / 16GB Hard Disk
Optional equipment — confirm quotation	Elevator, Amplifier, Mixer , Microphone, Reading Lamp, Cup holder, Drawer

Source checked 2026-10-21. Confirm drawing revision, software licences and the ordered configuration before installation.

Configuration, considered

Configuration,
considered.

Agree the speaker interface, audience display if required, AV routing, computer, microphone and optional equipment in the room specification.

Discuss this configuration

Project configuration decisions for PM401 21.5-inch Digital Lectern
Component	Decision for your project
Speaker interface	Confirm the speaker display and application.
Audience display & AV routing	Agree the audience screen, inputs, outputs and room system.
Computer & optional equipment	Confirm processor, microphones, controls and supply responsibility.
Installation & access	Check the complete envelope, footprint, cable routing and clearances.

Model PM401 21.5-inch Digital Lectern

Documents for this model.

Find the details for your specification and installation.

Start with the right document.

Choose what you need for PM401 21.5-inch Digital Lectern. Your model and document type will stay with your request.

Request product information Request dimensioned drawing Request installation information

Before you specify

Your questions.
A clearer next step.

Which screen does the listed size describe?

The primary specifications for PM401 21.5-inch Digital Lectern describe the speaker display. Any audience-display configuration is listed separately and must be confirmed with the quotation.

Which computer and AV equipment are supplied?

Agree the computer, AV routing, microphones, control equipment and any audience display for the room. Options and pictured equipment require an explicit supply scope.

How should I plan the installation?

Confirm the full enclosure and top-surface envelope, base footprint, cable routing and access clearances. Review the manufacturer illustration and its revision against the ordered configuration.

What information is needed for a UK quotation?

Share the lectern reference, quantity, room layout, speaker and audience display requirements, AV connections, destination and target timing.