Yeastar D30 Extension Expansion Module Hand Strap Tracer function: This instrument is

Tracer function: This instrument is suitable for RJ11

Jacket Material: PVC

Precise 1200 dpi optical sensor

Smokeless Technology - Eliminates up to 80% of Smoke with a clean grill and drip tray

Yeastar D30 Extension Expansion Module Hand Strap Tracer function: This instrument isYeastar D30 Extension Expansion ModuleKey Features Yeastar YST D30 DSP Expansion Module for S100 and S300 The Yeastar D30 is a DSP module, used to expand the capacity of S Series PBX. For each D30 module added, the max amount of users increased by 100, and concurrent calls increase by 30. Expand the power of your VoIP phone system without needing expensive hardware with this module. Yeastar YST D30 Compatibility: Yeastar S100 and Yeastar S300