Expansion module Cisco, M5Stack, Polycom

Cisco Catalyst 9300 4 x 1GE Network Module spare

Cisco C9300-NM-4G Network Module with 4x 1Gb SFP ports for the Catalyst 9300 Series switch.

Cisco CP-BEKEM IP Phone 8800 Key Expansion Module - Black

Graphical, backlit, high-resolution colour display makes viewing easy18 Physical, programmable LED line and feature keys per module Second-page key provides 18 additional line and feature keys per module using software

Polycom VVX Expansion Module

Expand your Polycom VVX phone system with our versatile Expansion Module. Seamlessly add more lines to enhance communication capabilities without replacing existing hardware—ideal for growing businesses needing increased call handling and features.

Cisco systems cp8800akem 8800 series audio kem 28 button phones voip telephony

The Cisco IP Phone 8800-A Audio Key Expansion Module is an add-on for VoIP phones, compatible with the 8851, 8861, and 8865 models. It features a color LCD display and 28 buttons.

Cisco 8800 SERIES VIDEO KEM 28 BUTTON IN

Enhance your Cisco 8800 Series with this Video Key Expansion Module. Add 14 customizable function keys, including 2 video keys for streamlined communications. Upgrade effortlessly with the IP add-on module in a sleek grey design.

M5Stack Mini Infrared Emitter & Receiver Expansion Module

M5Stack Official 1 to 3 HUB Expansion Unit for Development Modules

M5Stack Official Soil Moisture Sensor and Irrigation Pump Expansion Module

M5Stack Official RS485 to TTL Converter Expansion Module