Supplier: Chengdu xtalong electronics co. ltd. is a leading global provider of rf components, specializing in vertical integration. the company offers a diverse product line, including rf microwave integrated circuits, frequency control devices, and sip system level packaging. notable products include low loss filters, mmic amplifiers, low noise amplifiers, saw filters, crystal filters, dielectric filters, ltcc filters, duplexers, vco, ocxo, overtone crystal, and more.