{"product_id":"164-174-mhz-bandpass-filter","title":"164 - 174 MHz Bandpass Filter","description":"\u003ch2\u003e\n\u003cspan style=\"color: #2b00ff;\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003ePRODUCT OVERVIEW\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThis inline bandpass filter passes the full 164 to 174 MHz range while rejecting out-of-band interference from FM broadcast, cellular, paging, and adjacent land mobile radio signals that routinely degrade receiver performance in this part of the spectrum.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAPPLICATIONS\u003c\/h2\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBroadcast and Production Audio\u003c\/strong\u003e Compatible with Lectrosonics IFB systems used to feed programme audio and director cues to on-camera talent and production crew, reducing dropouts and noise in dense RF environments such as broadcast facilities, sports venues, and live events.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eElectronic News Gathering (ENG)\u003c\/strong\u003e Protects VHF wireless receiver front ends used by ENG crews in urban environments, compatible with VHF systems from Lectrosonics, Sennheiser, Shure, and other professional wireless manufacturers operating in this band.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003ePublic Safety and P25 Networks\u003c\/strong\u003e Provides essential pre-selection filtering for APCO P25 Phase 1 and Phase 2 digital radio systems operated by municipal fire departments, police services, and emergency medical services (EMS) in the upper VHF public safety bands.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eGovernment and Federal Agencies\u003c\/strong\u003e Suitable for federal law enforcement and land management agencies including the USFS, BLM, NPS, and RCMP operating tactical and administrative frequencies assigned within the 162–174 MHz spectrum.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWildlife Telemetry and Animal Tracking\u003c\/strong\u003e Rejects FM broadcast and other strong out-of-band signals that desensitise scanning receivers and Yagi-based tracking systems used to locate VHF-collared wildlife, compatible with receivers from Telonics, ATS, Lotek, and similar platforms.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eIoT and Smart Metering (169 MHz ISM Band)\u003c\/strong\u003e Protects base station receivers and data concentrators operating in the European 169.4–169.8125 MHz IoT allocation for smart electricity, gas, and water meters from adjacent VHF land mobile interference.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eHydrology and Environmental Monitoring\u003c\/strong\u003e Facilitates clean signal reception for GOES Data Collection Platforms (DCPs) and remote hydrology, water quality, and weather sensors transmitting in the 162–174 MHz range.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eNOAA Weather Radio and Meteorological Systems\u003c\/strong\u003e Reduces VHF land mobile and adjacent-band interference for meteorological and environmental monitoring receivers operating near the NOAA Weather Radio band at 162.4–162.55 MHz.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eMaritime Mobile Service\u003c\/strong\u003e Supports maritime coastal stations, port operations, and port security communications operating in the upper VHF marine band, including duplex channels in the 164–174 MHz range.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eRailroad Communications\u003c\/strong\u003e Optimised for the AAR (Association of American Railroads) frequency plan, ensuring clean signal reception for locomotive voice communications and EOT (End of Train) telemetry devices operating in the VHF band.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBusiness and Industrial Land Mobile\u003c\/strong\u003e Protects private radio networks used by utilities, transportation companies, and heavy industry for voice communications and low-speed data telemetry operating on licensed VHF channels in this range.\u003c\/p\u003e\n\u003ch2 class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eSPECIFICATIONS\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePassband: 164–174 MHz\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eConnector: SMA-F (BNC available on request)\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eImpedance: 50Ω\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePassive, no power required\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eInline installation — connects directly in the antenna feedline\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cspan size=\"4\" style=\"font-size: large;\"\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cspan face=\"Arial\" size=\"4\"\u003eFrequency (MHz)\u003c\/span\u003e\u003c\/th\u003e\n\u003cth align=\"center\"\u003e\u003cspan face=\"Arial\" size=\"4\"\u003eTypical Attenuation (dB)\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e130\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e140\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e32\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan face=\"Arial\" size=\"4\"\u003e150\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan face=\"Arial\" size=\"4\"\u003e164\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan face=\"Arial\" size=\"4\"\u003e169\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan face=\"Arial\" size=\"4\"\u003e174\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan face=\"Arial\" size=\"4\"\u003e190\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e200\u003c\/td\u003e\n\u003ctd align=\"center\"\u003e21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cspan color=\"#444444\" face=\"Arial\"\u003e \u003c\/span\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 1.4em;\"\u003e  \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cspan\u003e \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp style=\"font-weight: 400;\"\u003e \u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e \u003c\/p\u003e\n\u003cp style=\"font-weight: 400;\"\u003e \u003c\/p\u003e","brand":"GPIO LABS","offers":[{"title":"Default Title","offer_id":70980782424086,"sku":null,"price":60.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1963\/0387\/products\/IMG_20200521_162511.jpg?v=1590162779","url":"https:\/\/gpio.com\/products\/164-174-mhz-bandpass-filter","provider":"GPIO LABS","version":"1.0","type":"link"}