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Yealink EXP55 Expansion Module for T7X and T8X Phones The Yealink EXP55 Expansion Module enhances your Yealink T7X and T8X series IP phones, including models T57W, T58A, and T58W, by providing up to 60 programmable keys for efficient call management and improved workflow. Perfect for receptionists and professionals managing high call volumes, it features a vibrant 4.3-inch colour LCD screen and an intuitive interface for seamless daily operations. Key Features Compatible with Yealink T7X and T8X series phones (T57W, T58A, T58W) Large 4.3-inch colour LCD screen for clear display Up to 60 programmable keys for BLF, speed dial, call forward, pickup, and more Supports daisy-chaining up to three modules to expand functionality Dual-colour LEDs indicate line status clearly Power supplied via the phone – no additional power adapter needed Simple plug-and-play installation for easy integration Specifications Display: 4.3-inch colour LCD Programmable Keys: Up to 60 Compatibility: Yealink T7X and T8X series phones (T57W, T58A, T58W) Daisy-chain Support: Up to 3 modules LED Indicators: Dual-colour for line status Power: Powered via connected phone