Description

Yealink EXP40 LCD Expansion Module

Yealink EXP40 LCD Expansion Module – Boost Productivity with 40 Programmable Keys


Meta Description:

Upgrade your Yealink T4 series IP phone with the EXP40 Expansion Module. Features dual-page LCD display, 40 programmable buttons, and seamless support for BLF, speed dial, and more.


Product Description:

The Yealink EXP40 Expansion Module is a powerful accessory designed to extend the functionality of your Yealink T4 Series IP phones. With a 160×320-pixel LCD display and 40 programmable buttons spread across two pages, this module makes call management easier and more efficient—ideal for professionals who handle a high volume of communications daily.

Whether you’re managing busy lamp fields (BLF), speed dials, call forwarding, or intercom functions, the EXP40 helps streamline your workflow with one-touch access. Its simple plug-and-play design connects directly to compatible Yealink phones and allows for up to six modules to be daisy-chained, making it a scalable solution for receptionists, administrators, and call center agents.

Durably built and ergonomically designed, the Yealink EXP40 offers the visibility, flexibility, and performance needed in fast-paced business environments.


Key Features:

  • 160×320 LCD Display: High-resolution screen with clear visual layout

  • 40 Programmable Keys: 20 physical keys with dual-page switching (2 pages)

  • Multi-Function Support: Configure keys for BLF, speed dial, call pickup, transfer, etc.

  • Daisy-Chain Support: Connect up to 6 EXP40 units for expanded control

  • Compatible with Yealink T4 Series: Works with T46G, T48G, and select T4 models

  • Easy Installation: Plug-and-play via RJ-12 connection

  • LED Indicators: Dual-color LEDs for real-time call and contact status

  • Ergonomic Stand: Adjustable for better viewing angles


Technical Specifications:

Specification Details
Model Yealink EXP40
Display 160 x 320 graphic LCD with backlight
Keys 20 physical keys, 2 pages (40 programmable keys)
LED Indicators Dual-color (red/green) LEDs for each key
Connection Interface RJ-12 (6P6C) cable
Compatibility T46G, T48G, T46S, T48S (T4 series phones)
Power Supply Powered via connected IP phone
Daisy-Chain Limit Up to 6 modules
Dimensions 122mm x 143mm x 110mm
Operating Temperature 0~40°C

Use Case Scenarios:

  • Office receptionists handling multiple lines

  • Help desks or call centers managing customer queues

  • Administrative assistants overseeing executive communications

  • Multi-branch communication setups


Frequently Asked Questions (FAQs):

Q1: Which phones are compatible with the Yealink EXP40?
A: The EXP40 is compatible with Yealink T46G, T48G, T46S, and T48S IP phones.

Q2: Can I daisy-chain multiple EXP40 modules?
A: Yes, up to six modules can be connected in a daisy-chain configuration.

Q3: What functions can I assign to the keys?
A: You can assign functions such as BLF, speed dial, intercom, call forwarding, call pickup, and more.

Q4: Does it require external power?
A: No. It receives power directly from the connected phone.

Q5: Is the display backlit?
A: Yes, the LCD screen has a backlight for improved visibility in all lighting conditions.


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