{"product_id":"grandstream-networks-gsc3516-grandstream-gsc3516-sip-speaker-with-15w-loudspeaker-4x-mic-for-2-way-talk-poe-wi-fi","title":"Grandstream Networks GSC3516 - Grandstream GSC3516 SIP Speaker with 15W loudspeaker, 4x MIC for 2-way talk, PoE+, Wi-Fi","description":"\u003cstyle\u003e\n  .pdc table { border-collapse: collapse; width: 100%; margin-bottom: 20px; }\n  .pdc th, .pdc td { border: 1px solid #ddd; padding: 10px 14px; text-align: left; vertical-align: top; }\n  .pdc th { background-color: #f4f4f4; font-weight: 600; color: #222; }\n  .pdc tr:nth-child(even) td { background-color: #fafafa; }\n  .pdc h3 { font-size: 18px; font-weight: 700; color: #111; margin: 20px 0 10px; border-left: 4px solid #0070f3; padding-left: 10px; }\n\u003c\/style\u003e\n\u003cdiv class=\"pdc\" style=\"font-family: sans-serif; color: #333; line-height: 1.6;\"\u003e\n  \u003cdiv style=\"margin-bottom: 24px;\"\u003e\n    \u003ch2 style=\"font-size: 22px; font-weight: 700; color: #111; margin-bottom: 8px;\"\u003eGSC3516\u003c\/h2\u003e\n    \u003cp style=\"color: #555; font-size: 15px;\"\u003eGrandstream Networks GSC3516 - Grandstream GSC3516 SIP Speaker with 15W loudspeaker, 4x MIC for 2-way talk, PoE+, Wi-Fi\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003chr style=\"border: none; border-top: 1px solid #eee; margin-bottom: 24px;\"\u003e\n  \u003ch3\u003eDescription\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:20px;\"\u003eThe Grandstream GSC3516 is a SIP\/Multicast Talk-Back Speaker that allows offices, schools, hospitals, apartments and more to build powerful voice intercom solutions that expand security and communication. This robust SIP intercom device offers 2-way voice functionality with both a high-fidelity 15W HD speaker and 3 directional microphones with Multichannel Microphone Array Design (MMAD) an d 1 omnidirectional auxiliary microphone that offer a 4.2 meter pickup distance. The GSC3516 supports a wide-range of peripherals including Bluetooth devices, built-in whitelists, blacklists and greylists to easily block unwanted calls, integrated dual-band Wi-Fi and advanced acoustic echo cancellation. By pairing the GSC3516 with other Grandstream devices, including desktop and cordless IP phones a s well as the GDS series of Facility Access products, users can easily sculpt a state-of-the-art security a nd voice intercom solution. Thanks to it’s modern industrial design, cleanable exterior surface and rich features, the GSC3516 is the ideal intercom speaker\/microphone for any setting.\u003cdiv class=\"gowifi_pd_det_desc_features_header\"\u003eFeatures\u003c\/div\u003e\n\u003cdiv class=\"gowifi_pd_det_desc_features\"\u003e\u003cul\u003e\n\u003cli\u003eFull-duplex speakerphone with HD acoustic chamber, advanced acoustic echo cancellation\u003c\/li\u003e\n\u003cli\u003e3 directional mics with MMAD \u0026amp; microphone beamforming array and 1 omnidirectional auxiliary microphone\u003c\/li\u003e\n\u003cli\u003eFull-band and wide-band audio codec support including Opus \u0026amp; G.722\u003c\/li\u003e\n\u003cli\u003eIntegrated dual-band 802.11 a\/b\/g\/n\/ac Wi-Fi and Bluetooth\u003c\/li\u003e\n\u003cli\u003eOne 10\/100Mbps network port with PoE\/PoE+\u003c\/li\u003e\n\u003cli\u003e2-pin multi-purpose input to support peripherals including call buttons\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"margin-bottom:20px;\"\u003e\n\u003ctable class=\"gowifi_pd_tb_spec\"\u003e \u003cthead class=\"gowifi_pd_tb_spec_head\"\u003e \u003ctr class=\"gowifi_pd_tb_spec_head_row\"\u003e \u003cth class=\"gowifi_pd_tb_spec_head_th_desc\"\u003eDetails\u003c\/th\u003e \u003cth class=\"gowifi_pd_tb_spec_head_th_spec\"\u003e\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody class=\"gowifi_pd_tb_spec_det\"\u003e \u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eManufacturer's Product Code\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eGSC3516\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eProtocols\/Standards\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eSIP RFC3261, TCP\/IP\/UDP, RTP\/RTCP, RTCP-XR,HTTP\/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP,TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eNetwork Interfaces\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eOne 10\/100 Mbps port with integrated PoE\/PoE+\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eOperating System\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eLinux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eBluetooth\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eYes, integrated. Bluetooth 2.1+Enhanced Data Rate (EDR)+ BT4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eWi-Fi\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eYes, dual-band 2.4 \u0026amp; 5GHz with 802.11 a\/b\/g\/n\/ac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eAuxiliary Port\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eOne 2-pin multi-purpose input port, Reset\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eVoice Codecs and Capabilities\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eG.711μ\/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A\/B, in-band and out-ofband DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eTelephony Features\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eSIP Paging, Multicast Paging, Group Paging, PTT, Call-waiting with priority over-ride, Bluetooth SCO call\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eHD Audio\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eYes, HD speakerphone with support for full band audio with 48KHz voice sampling frequency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eSpeaker\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003e15W high-fidelity HD speaker; Frequency 110Hz-20000 Hz; Sensitivity: Up to 90 dBA at 1W power at 0.5 meter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eMicrophone\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003e3 directional microphones with beam-forming capability and 1 omnidirectional auxiliary microphone that offer a 4.2 meter pickup distance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eQoS\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eLayer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eSecurity\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eUser and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control,secure boot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eUpgrade\/Provisioning\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eFirmware upgrade via TFTP \/ HTTP \/ HTTPS or local HTTP upload, mass provisioning using GDMS\/TR069 or AES encrypted XML configuration file\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003ePower \u0026amp; Green Energy Efficiency\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eIntegrated PoE* 802.3af Class 3, PoE+ 802.3at Class 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_1\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003eTemperature and Humidity\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eOperation: 0°C to 45°C Storage: -10°C to 60°C, Humidity: 10% to 90% Non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"gowifi_pd_tb_spec_det_row gowifi_pd_tb_spec_row_num_0\"\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_desc\"\u003ePackage Content\u003c\/td\u003e\n\u003ctd class=\"gowifi_pd_tb_spec_det_td_spec\"\u003eGSC3516 SIP\/Multicast Talk-Back Speaker, mounting kits, quick installation guide\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e\n\u003ctfoot class=\"gowifi_pd_tb_spec_foot\"\u003e \u003ctd class=\"gowifi_pd_tb_spec_foot_td_desc\" colspan=\"2\"\u003e\u003c\/td\u003e \u003c\/tfoot\u003e \u003c\/table\u003e \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Grandstream Networks","offers":[{"title":"Default Title","offer_id":66888702656557,"sku":"GSC3516","price":304.52,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/5088\/2861\/files\/GSC3516.jpg?v=1781864038","url":"https:\/\/kwtech.co.nz\/products\/grandstream-networks-gsc3516-grandstream-gsc3516-sip-speaker-with-15w-loudspeaker-4x-mic-for-2-way-talk-poe-wi-fi","provider":"KW Tech","version":"1.0","type":"link"}