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1 SIP account, 2 line keys, 3-way conferencing, 3 XML programmable context-sensitive soft keys
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Dual-switched 10/100 mbps ports
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EHS support for Plantronics headsets
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Up to 500 contacts
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Call history up to 200 records
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
Sharp HD video resolutions up to 4k Ultra HD
Runs on Android 6.x operating system with full access to applications in the Google Play store
Built-in Bluetooth for use with Bluetooth speakers/ microphones,
2.03 Gbps wireless throughput and 4 Gigabit wireline ports 5GHz 4×4:4 MU-MIMO
Supports up to 200 concurrent Wi-Fi client devices
Advanced QoS to ensure real-time performance of low-latency applications
Anti-hacking secure boot and critical data/control lockdown via digital signatures, unique security certificate/random default password per device
Self-power adaptation upon auto detection of PoE or PoE+
Embedded controller can manage up to 30 local GWN series APs;
GWN.Cloud offers unlimited AP management; GWN Manager offers premise-based software controller
The Grandstream GWN7664ELR is a long-range, outdoor Wi-Fi 6 access point with up to 6 Gbps throughput, 300m coverage, and support for 512 clients—perfect for enterprise-grade wireless networking.
The Grandstream CloudUCM Plus is a cloud-based PBX solution for small and growing businesses. It supports up to 50 extensions and 16 simultaneous calls, with built-in meetings, messaging, and CRM integration—all managed securely without hosting fees.
Color CCD/ 3.5-8mm manual iris lens 
