Yealink YKEXP40


EXP40 expansion module (sidecar / attendant console), 40 keys (2 pages of 20 keys) with LEDs, 160x320 pixel backlit LCD, for the T46S, 46G, T48S and T48G. Note: If you use two or more SKU #EXP40 expansion modules on a single telephone, you will need to purchase (sold separately) a power supply, SKU #PS5V1200US, and connect it to the first expansion module.