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Grandstream's audio conferencing devices high-quality voice communication for meeting rooms, huddle areas, boardrooms, and other conferencing spaces. This series will transform your conferencing experience by offering an exceptional speaker to deliver a natural and immersive conferencing experience to both local and remote participants. Enhance audio quality and provide full room coverage by connecting the GMD1208 desktop wireless microphone for a fully customized audio conferencing solution.


  • Full-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation, and microphone beamforming array
  • 12 omnidirectional microphones with MMAD (Multichannel Microphone Array Design)
  • Supports 5m pickup range, and can be paired with two GMD1208 desktop wireless microphones up to 20m away for full-room coverage
  • 10/100/1000Mbps network port with PoE+ and dedicated media port for collaborate
  • Integrated Bluetooth 5.0 support
  • Integrated Wi-Fi 6, Dual-band 2.4 & 5GHz with 802.11 a/b/g/n/ac/ax
  • Supports 12-party conferences

  • Capacitive touch mute button with LED
  • 1500mA built-in Li-Ion battery
  • Micro-B port for charging, BYOD microphone and upgrading
  • Low power indicator
  • Bluetooth v2.1+EDR protocols
  • Proprietary 2.4GHz wireless technology with dynamic beamforming technology
  • Ultrasound pairing technology
  • High quality audio coding with error tolerance
  • Built-in 8 omni-directional MEMS with 5-meter pickup range

  • 6 lines, 6 SIP accounts, 7-way voice conferencing
  • Runs Android 4.4 and offers access to the Google Play Store
  • Bluetooth to support syncing of headsets and mobile devices
  • Built-in 7-way conference bridge
  • 4.3" (800x480) capacitive touch screen for easy use
  • Auto-sensing Gigabit port, built-in PoE support
  • Built-in WiFi support offers mobility and network flexibility
  • Full HD audio support to maximize voice quality
  • Daisy-chain support to combine two GAC2500 together
  • TLS and SRTP security encryption