![]() ![]() ^ Ultra Small Surface Mount Coaxial Connectors - Low Profile 1.9 mm or 2.4 mm Mated Height.^ "AMC Ultra Miniature Connectors | Amphenol RF".^ a b Surface-mounted, high-frequency coaxial connector.Like U.FL, W.FL also has many more names assigned to it by those producing compatible connectors. Compared to its predecessor U.FL it occupies even less area (2.0 mm diameter) and height (1.4 mm). It is manufactured by Hirose Electric Group and has a frequency range up to 6 GHz. The Hirose W.FL, also known as Amphenol AMMC, is an ultra small RF connector used in handheld electronic products. ![]() However, compatible third party connectors are available under many other names, e.g. ![]() Much like many other electronic components, Hirose U.FL connectors were protected by patents and trademarks. The mated connection is only 2.5 mm high and takes as little as 9 mm 2 (3.0 × 3.1 mm 2) of board space. They are designed to have a characteristic impedance of 50 ohms. The male connectors are surface-mounted (SMT) and soldered directly to the printed circuit board (PCB). The female U.FL connectors are generally not sold separately, but rather as part of a pigtail with a high-quality 1.32 mm doubly shielded cable, which allows for a low-loss connection, insulated with fluorinated resin. Another common use is connecting GPS antennas.įemale U.FL connectors are not designed with reconnection in mind, and they are only rated for a few reconnects (approximately 30 mating cycles ) before replacement is needed. U.FL connectors are commonly used inside laptops and embedded systems to connect the Wi-Fi antenna to a Mini PCI, Mini PCIe or M.2 WiFi card. U.FL connectors are commonly used in applications where space is of critical concern, such as in smartphones and Laptop WiFi cards. Hirose U.FL, I-PEX MHF I, AMC or UMCC is a miniature RF connector for high-frequency signals up to 6 GHz manufactured by Hirose Electric Group, I-PEX, and others. An embedded RouterBoard 112 with U.FL- RSMA pigtail and R52 miniPCI Wi-Fi card. ![]()
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