Grandstream LCD Extension Module for GRP2615 & GXV3350 only 4.3" (272x480) TFT color LCD 20 per page Combine up to 4 daisy-chained modules for 160 contacts/extensions BLF Call park /pick-up Speed-dial Presence Intercom Voice conferencing transfer/forward and more

Lines - 20 per page (each module contains 2 pages, for up to 40 lines per module, Up to 160 with 4 daisy-chained modules Compatible - Grandstream IP Phones GRP2615 and GXV3350 Graphic Display - 4.3 inch (272x480) TFT color LCD Feature Support - Local GUI: Multiple line/call appearances Power - A single GBX20 can be powered by host phone (GRP2615 or GXV3350), when 2 or more GBX20 are connected the included 12V/1A PSU will power the GBX20s Firmware Upgrades - GBX20 firmware is upgraded by direct network download through host phone (GRP2615 or GXV3350)’s network connection and firmware upgrade setup Physical - Dimension: 210mm124mm33.5mm; Unit weight: 360g; Package weight:700g Temperature and Humidity - Operation: 0°C to 40°C, Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing Package Content - GBX20 Extension Board, base stand, Extension Board Connector Plate, Screws, USB cable, Quick Installation Guide, 12V/1A Power Adapter Compliance - FCC: Part 15 Class B, IC: ICES-003, CE: EN 55032; EN 55035; EN 61000-3-2; EN 61000-3-3; EN 62368-1, RCM: AS/NZS CISPR32; AS/NZS 62368.1