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Networking
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New Product: GWN7672Learn MoreOur most powerful Wi-Fi access point yet. Wi-Fi 7, 11Gbps, up to 384 concurrent client devices.
Comprehensive Cloud ManagementLearn MoreConfigure, manage, and troubleshoot network deployments for free with the GDMS platform.
New Product: GWN7672Learn MoreOur most powerful Wi-Fi access point yet. Wi-Fi 7, 11Gbps, up to 384 concurrent client devices.
Comprehensive Cloud ManagementLearn MoreConfigure, manage, and troubleshoot network deployments for free with the GDMS platform.AggregationLayer 3Layer 2 LiteSwitch Search Tool
GWN7302 PtP/PtMPLearn MorePtP/PtMP Fixed Wireless Bridge, ideal for medium-to-large businesses that need to provide long-distance wireless data transmission.
Indoor Wi-Fi Access PointsLearn MoreGrandstream's indoor Wi-Fi access points provide a wide range of solutions for customized wireless deployments.
Wi-Fi AP Search ToolLearn MoreSearch through our Wi-Fi access points, filter them by features, and compare devices all from one tool.
Outdoor Wi-Fi Access PointsLearn MoreGrandstream's outdoor Wi-Fi Access Points offer weatherproof certified casing and extended range.
Wi-Fi AP Search ToolLearn MoreSearch through our Wi-Fi access points, filter them by features, and compare devices all from one tool.
Grandstream Device Management SystemLearn MoreDeploy and manage full GWN solutions entirely from the cloud.
GDMS Cloud ManagementLearn MoreGDMS Networking is a free enterprise-grade, management platform for Grandstream GWN series devices.
GWN Software ManagerLearn MoreGWN Manager is a free on-premise enterprise-grade management platform for Grandstream GWN series devices.
Grandstream HomeLearn MoreGrandstream Home allows you to set up, control, and monitor GWN7062E/ET home networks from your mobile phone.
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Unified Communications
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New Product: SoftwareUCMLearn MoreA software-based PBX solution that provides a scalable collaboration platform.
New Product: SoftwareUCMLearn MoreA software-based PBX solution that provides a scalable collaboration platform.On-Premise IP PBXsCloud PBXSoftware PBXHybrid IP PBX SolutionsCollaboration AppDesktop IP PhonesHotel IP PhonesCordless IP PhonesVideo IP PhonesAccessoriesFacility Management
ATAsLearn MoreOur ATAs are trusted and deployed by some of the largest service providers in the world.
GatewaysLearn MoreIntegrate traditional phone systems into a VoIP network and efficiently manage communication costs.
Video ConferencingLearn MoreGrandstream has everything to create a powerful and affordable video conferencing solution.
Audio ConferencingLearn MoreGrandstream's audio conferencing devices provide high-quality voice communication.
WebcamsLearn MoreWebcams in the GUV series include a Full HD USB camera that enables high-quality audio and video collaboration.
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Convergence
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GCC Convergence SolutionsLearn MoreAn extraordinary all-in-one solution that merges unified communications & networking into one platform.
Get to Know the GCC SeriesLearn MoreIn this blog post, we cover the core capabilities and use-case scenarios of the GCC Series.
GCC Convergence SolutionsLearn MoreAn extraordinary all-in-one solution that merges unified communications & networking into one platform.
Get to Know the GCC SeriesLearn MoreIn this blog post, we cover the core capabilities and use-case scenarios of the GCC Series.
GCC Convergence SolutionsLearn MoreAn extraordinary all-in-one solution that merges unified communications & networking into one platform.
Get to Know the GCC SeriesLearn MoreIn this blog post, we cover the core capabilities and use-case scenarios of the GCC Series.
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Cloud
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Grandstream Device Management SystemLearn MoreUse GDMS to provision, manage, monitor, and troubleshoot Grandstream products
CloudUCMLearn MoreCloudUCM is a cloud PBX that provides a scalable business communication and collaboration platform.
UCM RemoteConnectLearn MoreUCM RemoteConnect allows organizations to build a secure, easy-to-manage communications solution for remote workers and devices..webp?width=250&height=131&name=how-to-use-gdms-q1-2024%20(1).webp)
GDMS Cloud ManagementLearn MoreGDMS Networking is a free enterprise-grade, management platform for Grandstream GWN series devices.
GCC Series PBX UpgradeLearn MoreLearn about the GCC’s PBX solution and the upgrades available to expand its capacity.
GCC Series Firewall ServiceLearn MoreGrandstream’s Firewall Service provides regular updates and upgrades to ensure that your firewall is always utilizing the most current security protocols.
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Support
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Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more.
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more.
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more.
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more.
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more.
Documentation CenterLearn MoreAccess helpful technical documentation and how-to guides about our products.
ToolsLearn MoreAccess helpful tools such as device discovery software, ringtone generators, demo GUIs, and more.
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Learn
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Grandstream Releases New Generation of Layer 2 SwitchesLearn MoreThe GWN7800 Pro Series is ideal for demanding business environments as it provides layer 2++ control with high-speed SFP or SFP+ ports
Grandstream Releases Smart Video Door StationsLearn MoreThe new GDS3720 Series provides a powerful solution for access control, video intercom, and video surveillance needs
Grandstream and UX Pro Announce Distribution PartnershipLearn MoreCustomers in the UK can now purchase Grandstream’s Extensive Portfolio of Networking Solutions from UX Pro
Grandstream AcademyLearn MoreCurrent training classes from Grandstream Networks and our partners around the world.
Grandstream Learning CenterLearn MoreView our latest technical videos, download helpful guides, and more.
About GrandstreamPartners
Contact UsLearn MoreAre you interested in purchasing our products or becoming a Grandstream partner? Use our Contact Us form, and we will get in touch.
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- Grandstream Adds Outdoor Horn Speaker to GSC Series
Grandstream Adds Outdoor Horn Speaker to GSC Series
The new GSC3518HS provides an outdoor intercom and announcement solution that expands security and communication
Boston, MA, USA - February 4, 2026 – Grandstream, connecting the world with award-winning unified communications and networking solutions since 2002, today released an outdoor horn speaker. The new GSC3518HS is a SIP/multicast talk-back horn speaker that provides crystal clear HD audio, a high-fidelity 50-Watt speaker, and IP66-rated water and dust protection. Ideal for outdoor campuses, public spaces, large offices, school playgrounds, hospitals, parks, warehouses, and more, the GSC3518HS provides a powerful outdoor announcement solution that expands security and communication.
The GSC3518HS is built with a high-powered 50W speaker with maximum volume of 126dBA, ideal for coverage of expansive outdoor areas. It includes 3 microphones, AI-based background noise reduction, and intelligent text-to-speech to ensure every word is heard clearly in talk-back scenarios. The GSC3518HS supports SIP paging, multicast paging, call-waiting with priority override, and more. Other notable features of the GSC3518HS include:
- Full-band and wide-band audio codec support including Opus & G.722
- One 10/100Mbps network port with PoE/ PoE+/PoE++ input, and one 10/100Mbps network port with PoE/ PoE+ output
- Supports differential LINE IN and LINE OUT connections
- IP66-rated waterproof and dustproof; includes a durable stainless steel bracket suitable for harsh outdoor environments
- Supports Airplay, ONVIF, RTSP/HTTP streaming, local audio files, and mobile app playback
Product Resources
Click here to visit the GSC3518HS product page, which includes datasheets, technical resources, and more.
Availability
The GSC3518HS is available now for purchase through Grandstream’s worldwide network of channel partners.
About Grandstream
Grandstream has been connecting the world since 2002 with unified communications and networking solutions that make communicating more impactful than ever before. Our award-winning solutions provide everything needed to build a seamless, easy-to-manage communication platform, offering a one-stop-shop for all networking, unified communications, collaboration and physical security solutions. Headquartered in Boston, MA, USA, Grandstream solutions are used in over 150 countries and trusted by global enterprises and small business alike for their quality, reliability, and innovation. Connect with us on Facebook, LinkedIn and Twitter.
Grandstream Contact
Phil Bowers
marketing@grandstream.com