Expansion Module for GXP2140, GXP2170 and GXV3240

• ✓ 20 Two-Color Keys for Easy Status Identification
• ✓ Backlit LCD Display for Clear Visibility in Any Lighting
• ✓ Supports Connection of up to 4 Modules Total
• ✓ BLA, SCA, BLF, and Speed Dial Function Support
• ✓ Programmable Keys with Advanced Call Handling Features
• ✓ Ideal for High-Volume Call Environments and Executives