{"product_id":"shure-pa421b-antenna-combiner","title":"Shure PA421B Antenna Combiner","description":"\u003ch2\u003eShure PA421B Antenna Combiner for PSM Wireless Systems\u003c\/h2\u003e\n\u003cp\u003eShure PA421B Antenna Combiners are complementary accessories for Shure PSM® Personal Stereo Monitor systems. When multiple systems are required for monitoring applications, the PA421B combiners quietly and efficiently optimize RF management for up to four PSM® transmitter, while also reducing rack clutter. (Directly replaces PA421A.)\u003c\/p\u003e\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCombines up to four PSM® transmitters to a single antenna set\n\u003cul\u003e\n\u003cli\u003eImproved intermodulation artifacts for cleaner RF environment\u003c\/li\u003e\n\u003cli\u003eReduces rack clutter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eWideband operation (470-865 MHz)\u003c\/li\u003e\n\u003cli\u003eDaisy-chain up to 2 combiners with the expansion port\u003c\/li\u003e\n\u003cli\u003eProvides DC power to compatible IEM transmitters\u003c\/li\u003e\n\u003cli\u003eLED indications of signal presence, signal overload and current draw\u003c\/li\u003e\n\u003cli\u003eImproved fan design significantly improves thermal efficiency and ambient noise\u003c\/li\u003e\n\u003cli\u003eOptional modification to enable combining of microphone receiver antennas (contact Shure Service Department for more details)\n\u003cul\u003e\n\u003cli\u003eProvides +15V bias on RF inputs to power antennas\u003c\/li\u003e\n\u003cli\u003eRequires modification of unit by qualified service technician\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRF Frequency Range: 470-865 MHz\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 Ω\u003c\/li\u003e\n\u003cli\u003eOperating Temperature Range: −18 °C (0 °F) to 63 °C (145 °F)\u003c\/li\u003e\n\u003cli\u003ePower Requirements: 100 to 240 V AC, 50-60 Hz\u003c\/li\u003e\n\u003cli\u003eCurrent Drain: 1.09 A (referenced at 100 V AC) (109 VA)\u003c\/li\u003e\n\u003cli\u003ePower Consumption: 98 W max.\u003c\/li\u003e\n\u003cli\u003eRF Input:\n\u003cul\u003e\n\u003cli\u003eConnector Type: BNC\u003c\/li\u003e\n\u003cli\u003eConfiguration: Active\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 Ω\u003c\/li\u003e\n\u003cli\u003eRF Gain: 0 dB (±2 dB)\u003c\/li\u003e\n\u003cli\u003eLED Indicator Min. Detection Threshold: 2.5 dBm\u003c\/li\u003e\n\u003cli\u003eLED Indicator Overload Threshold: \u0026gt;24 dBm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eMain Output:\n\u003cul\u003e\n\u003cli\u003eConnector Type: BNC\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 Ω\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eExpansion Port:\n\u003cul\u003e\n\u003cli\u003eConnector Type: BNC\u003c\/li\u003e\n\u003cli\u003eConfiguration: Passive\u003c\/li\u003e\n\u003cli\u003eImpedance: 50 Ω\u003c\/li\u003e\n\u003cli\u003eInsertion Loss: \u0026lt;4 dB\u003c\/li\u003e\n\u003cli\u003eRF Expansion Port Normal Operating Range: 33 dBm (2 W)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eDC Outputs:\n\u003cul\u003e\n\u003cli\u003eOutput Voltage: 15 V DC\u003c\/li\u003e\n\u003cli\u003eOutput Current (Per Output): 660 mA max\u003c\/li\u003e\n\u003cli\u003eOutput Power (Per Output): 9.9 W\u003c\/li\u003e\n\u003cli\u003eLED Indicator Min. Detection Threshold: 85 mA\u003c\/li\u003e\n\u003cli\u003eLED Indicator Overload Threshold: \u0026gt;660 dBm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Shure","offers":[{"title":"New","offer_id":44322092744898,"sku":"PA421B","price":0.0,"currency_code":"CAD","in_stock":true},{"title":"Touring Gear - Used","offer_id":40882500862146,"sku":"TZ-PA421B","price":1790.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0277\/2631\/5568\/products\/TZ-PA421B.jpg?v=1637242014","url":"https:\/\/shop.solotech.com\/en-ca\/products\/shure-pa421b-antenna-combiner","provider":"Solotech","version":"1.0","type":"link"}