Cisco
Cisco DP-9800-KEM= 9800 Key Expansion Module 40-Key Color LCD Sidecar
PO and Net 30 accepted for schools, government and healthcare.
Description
Description
Cisco DP-9800-KEM= Key Expansion Module for 9800 Series IP Phones
Expand your Cisco 9800 Series desk phone capabilities with the DP-9800-KEM Key Expansion Module. This sidecar adds 40 programmable line and feature keys across two pages, with a vibrant 5-inch backlit color LCD display β ideal for receptionists, administrative staff, and contact center agents managing high call volumes. Backed by Reef Telecom's industry-leading 10-year warranty.
Key Specifications
- 20 Physical Keys, 2 Pages: 40 total programmable line keys for speed dial, call monitoring, and line expansion
- 5-Inch Color LCD Display: 480 x 800 resolution with backlight for clear visibility in any lighting
- Tri-Color LED Indicators: Instant visual status for each line key
- USB-Powered: Connects and powers via integrated USB β no external power adapter needed for single KEM
- Carbon Black Finish: Professional design suited for enterprise environments
- Plug-and-Play: Quick installation with immediate functionality
Compatibility
- Cisco Desk Phone 9841 (DP-9841-K9)
- Cisco Desk Phone 9851 (DP-9851-K9) β supports 1 KEM
- Cisco Desk Phone 9861 (DP-9861-K9) β supports up to 3 KEMs
- Cisco Desk Phone 9871 (DP-9871-K9) β supports up to 3 KEMs
Note: When connecting more than one KEM via PoE, an external Cisco Power Adapter is required. Works with Cisco Unified Communications Manager (CUCM), Webex Calling, and BroadWorks platforms.
Specs & Details
Specs & Details
- Condition
- New
- Warranty
- 10-Year Reef Telecom Warranty
- Manufacturer Part Number
- DP-9800-KEM
- Reef SKU
- DP-9800-KEM
- Brand
- Cisco
Shipping & Warranty
Shipping & Warranty
Free ground shipping on orders over $300 (contiguous US). Same-day dispatch on orders placed before 4 PM EST.
All products include our industry-leading 10 Year Warranty backed by Reef Telecom.

We clean up after ourselves.
Ecommerce deliveries have a carbon footprint. That's why we support verified projects that remove carbon from the air.
Every deliveryβs carbon footprint is calculated based on weight, shipping method, and distance traveled. We neutralize these emissions by purchasing verified carbon removal credits from groundbreaking projects.
With your purchase, youβll join a community of proactive merchants and customers dedicated to a sustainable future. Together, we've removed emissions for over 86 million deliveries and removed over 59 thousand tonnes of carbon.
We work with a network of pioneering carbon removal companies that have been vetted by the commerce platform Shopify.
Reef Telecom Proudly Supports
-
Ocearch
2026 Monthly Shark Hero -
Coral Restoration Foundation
2025 Staghorn Donor -
Ocean Conservancy
2025 Donor
Smart IT. Clean Oceans. Boundless Possibilities.
We provide the highest quality refurbished equipment β extending hardware lifecycles and keeping e-waste out of the ocean.