{"product_id":"pa421b","title":"Shure PA421B, Antenna Combiner for PSM Wireless Systems, Four-channel Antenna Combiner, 470-865 MHz","description":"\u003cp\u003eThe PA821B active broadband antenna combiner streamlines the simultaneous operation of many PSM systems at a venue.  The PA821B combines the RF outputs from up to four PSM transmitters into one RF output to feed a single transmit antenna.  This provides significantly improved reception quality due to reduced intermodulation distortion and dropouts due to multipath interference. (Directly replaces PA421A.)\u003c\/p\u003e\n\n\u003cp\u003eThe PA421B is compatible with Shure PSM300, PSM 900 and PSM 1000.\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003eCombines up to four PSM transmitters to a single antenna set for improved RF networking \u0026amp; reduced rack clutter.\u003c\/li\u003e\n \u003cli\u003eWideband operation (470-865 MHz)\u003c\/li\u003e\n \u003cli\u003e4 Input LED signals (green when active; off when inactive)\u003c\/li\u003e\n \u003cli\u003eQuieter, temperature-sensitive fan for significant reductions in ambient unit noise and heat\u003c\/li\u003e\n \u003cli\u003eDaisy-chain up to 2 combiners with the expansion port.\u003c\/li\u003e\n \u003cli\u003eLED indicators for signal presence and signal overload\u003c\/li\u003e\n \u003cli\u003ePassive (non-powered) antenna combining*\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e* Contact Shure Service Department for more detail and availability. Requires modification of unit by qualified service technician.\u003c\/p\u003e","brand":"Shure","offers":[{"title":"Default Title","offer_id":52518270992658,"sku":"PA421B","price":2467.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0379\/2529\/0029\/files\/462734b5d232d942723086cb34fee430.jpg?v=1784092665","url":"https:\/\/sixstarpsl.com\/products\/pa421b","provider":"SixStarPSL","version":"1.0","type":"link"}