Quick Installation Guide

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GMD1208 is an extension microphone companion device for
Grandstream audio and video conference products to increase
the overall audio coverage range. With ultrasound pairing, long
talk time, proprietary 2.4G/BLE dual mode and error-resilient
long-distance transmission, GMD1208 brings mobility and ex-
ibility to your powerful conference solutions with ease. Each
GMD1208 unit supports 360-degree full band quality voice pick-
up, within a radius of 5 meters for the best user experience. The
multi-functional touch key on this device can trigger various func-
tions with di󰀨erent operations and includes an LED indicator for
status notications. These user-friendly features make GMD1208
an ideal choice for organizations that need optimal microphone
placements with ultra-wideroom coverage and crystal-clear au-
dio quality.
PACKAGE CONTENTS:
EN
1x Quick Installation Guide
1x GPL License
1x USB Cable
1x GMD1208 Wireless
Microphone
PRECAUTIONS:
• Do not attempt to open, disassemble, or modify the device.
• Do not expose the device to temperatures outside the range 0°C to
40°C (32°F to 104°F) in operation and -10°C to 60°C (14°F to
140°F) in storage.
• Do not expose the GMD1208 at environments outside of the humid-
ity range of 10-90% RH (non-condensing).
OVERVIEW:
5V/1A
1x Power Adapter (5V)
GMD1208 DESCRIPTION:
Working Station
Indicator
Power Indicator
Mute Indicator
Multifunctional Button
USB Port
2.4G/BT Modes
Switch
CHARGING GMD1208:
Connect the GMD1208 to power source using the USB cable and PSU
included in the package as shown in below gure:
5V/1A
Note: The power indicator will be green slow ashing when charging and green
solid when fully charged. Refer to “LED STATUS INDICATORS” for more details.
Back view
Front view
Reset Pin Hole