{"product_id":"jg-ulna2vox-preamplificatore-coassiale-144-mhz-vhf-vox-100w-a-bassissima-nf","title":"JG ULNA2VOX 144 MHz VHF Coaxial Preamplifier - Ultra-low NF 100W VOX","description":"\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\" height=\" src=\"https:\/\/www.hamradioshop.it\/userfiles\/logo%20jg.jpg\" width=\"82\"\u003e\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong\u003eJG-ULNA2VOX\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ch3 style=\"text-align: center;\"\u003e\u003cstrong\u003eVHF Preamplifier for the 144MHz band (2 meters) with integrated VOX circuit, bias tee and ultra-low NF coaxial relays\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp style=\"text-align: center;\"\u003e\u003cimg alt=\" src=\" https: style=\"width: 400px; height: 400px;\"\u003e\u003c\/p\u003e\n\n\u003cp style=\"text-align: center;\"\u003eVHF Preamplifier for the 144MHz band (2 meters) with integrated VOX circuit, bias tee, and on-board coaxial relays capable of operating up to 100W without any external accessories. Perfect for satellite use, contests, tropo, and EME. The ATF531P8 module ensures a very low noise figure. Simply connect the PRE between the radio and the antenna.\u003c\/p\u003e\n\n\u003cp\u003eApplication field:\u003c\/p\u003e\n\n\u003cp\u003ePreamplifier made on a 4-layer PCB with an integrated VOX circuit, coaxial relays, and on-board bias tee. It can handle up to 100W and automatically switches from TX to RX.\u003cbr\u003e\nINNOVATIVE Ultra Low Noise Preamplifier available for the 2-meter band. It uses the ATF531P8 module. Low noise figure (typ. 0.50dB with active coaxial relay).\u003cbr\u003e\nThanks to the notch filter at the input, it is possible to attenuate broadcasting from 88 to 108MHz. Manufactured in our facility in a cylindrical anti-corodal aluminum structure.\u003cbr\u003e\nIt can be powered, in addition to the feed-through capacitor, also via BIAS TEE with a voltage from 9 to 15V and a maximum current consumption of 100mA.\u003c\/p\u003e\n\n\u003cp\u003eUniqueness:\u003c\/p\u003e\n\n\u003cp\u003eOn-board coaxial relays up to 100W throughput\u003cbr\u003e\nINTEGRATED VOX circuit\u003cbr\u003e\nCan be powered via Bias tees with voltage from 9 to 15V\u003cbr\u003e\nLow noise figure at 144MHz (typ. 0.50dB)\u003cbr\u003e\nATF531P8 module\u003cbr\u003e\nBandpass filter\u003cbr\u003e\nTunable 88\/108MHz input notch filter\u003c\/p\u003e\n\n\u003cp\u003eConnectors:\u003c\/p\u003e\n\n\u003cp\u003eConnectors specially built to our specifications.\u003cbr\u003e\nTeflon dielectric. Highest quality.\u003cbr\u003e\nPossible combinations: N male \/ N female, N female \/ N female, or N male \/ N male\u003c\/p\u003e\n\n\u003cp\u003eMaterials:\u003c\/p\u003e\n\n\u003cp\u003eCylindrical structure made of 6060 alloy anti-corodal aluminum.\u003cbr\u003e\nAll tightening screws are made of STAINLESS STEEL.\u003c\/p\u003e\n\n\u003cp\u003eTechnical characteristics:\u003c\/p\u003e\n\n\u003cp\u003eSupply voltage: 9-13.8V\u003cbr\u003e\nMax Input power: 100W\u003cbr\u003e\nMinimum VOX switching power: 500mW\u003cbr\u003e\nCurrent: 100mA\u003cbr\u003e\nImpedance: 50Ohm\u003cbr\u003e\nGain: +23dB\u003cbr\u003e\nOIP3: +29dBm\u003cbr\u003e\nNoise Floor: approximately 0.50dB\u003c\/p\u003e\n\n\u003cp\u003eSTAINLESS STEEL bolts\u003c\/p\u003e","brand":"JG HITECHNOLOGY","offers":[{"title":"Default Title","offer_id":51685177721178,"sku":"JG-ULNA2VOX","price":238.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/2113\/9290\/files\/FullSizeRender.jpg?v=1790072936","url":"https:\/\/hamradioshop.it\/en\/products\/jg-ulna2vox-preamplificatore-coassiale-144-mhz-vhf-vox-100w-a-bassissima-nf","provider":"HAMRADIOSHOP","version":"1.0","type":"link"}