[shortdesc] Key expansion module For 8851, 8861 IP Phone [/shortdesc] [specifications] Specifications CP-8800-A-KEM Description The 8800 KEM provides additional keys for directory numbers, speed dial, or programmable feature keys to the IP Phone 8851, 8861, and 8865 models Product Type Key Expansion Module Graphical display The 4.3-inch graphical (TFT) color display provides 16-bit color depth and 480 x 272 effective pixel resolution, with backlight Directory-number and feature buttons 18 physical buttons (36 using page keys) Power 48 VDC, 117 mA maximum Operating temperature 32 to 104°F (0 to 40°C) Dimensions 9.02 x 5.15 x 1.58 in. (229.14 x 130.78 x 40.2 mm) Compatibility 8800 Series – 8811, 8841, 8845, 8851, 8851NR, 8861, 8865 IP Phones 8900 Series – 8961 IP Phone 9900 Series – 9951, 9971 IP Phones [/specifications] Cisco CP-8800-A-KEM IP Phone Key Expansion Module The Cisco CP-8800-A-KEM IP Phone 8800 Key Expansion Module adds 18 physical keys (36 using page keys) to the Cisco IP Phone 8851, 8861, and 8865 models. You can connect up to three 8800 KEMs to the IP Phone 8861 and 8865, and up to two 8800 KEMs to the IP Phone 8851, giving the user access to a total of 36 additional keys. The 8800 KEM includes a foot stand and all necessary hardware to connect it directly to a traditional base. Key Features: 4.3 inch 16-bit color depth The tabs contain the CP-8800-A-KEM datasheet with all the specifics you need.