Hirose U.FL

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"U.FL" redirects here. For other uses, see UFL (disambiguation).
Hirose U.FL
U.FL connector.jpg
U.FL connector in a DSL Router next to a match head for scale
Type RF coaxial connector
Manufacturer Hirose Electric Group
Diameter 2.0 mm (0.079 in)
Cable Coaxial
Passband Typically 0-6 GHz
An embedded RouterBoard 112 with U.FL-RSMA pigtail and R52 miniPCI Wi-Fi card.

U.FL, IPEX, IPAX, IPX,[1] AMC, MHF[2] and UMCC[3] is a miniature RF connector for high-frequency signals up to 6 GHz manufactured by Hirose Electric Group[4] and others.

U.FL connectors are commonly used in applications where space is of critical concern, most often Mini PCI cards for laptop computers. U.FL connectors are commonly used inside laptops and embedded systems to connect the Wi-Fi antenna to a Mini PCI card. Another common use is connecting GPS antennas.

Female U.FL connectors are not designed with reconnection in mind, and they are only rated for a few reconnects before replacement is needed. 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.

The male connectors are surface-mounted and soldered directly to the printed circuit board. They are designed to have an impedance of 50 ohms. The mated connection is only 2.5 mm high and takes as little as 3 mm2 of board space.[5]

Much like many other electronic components, Hirose U.FL connectors were protected by patents[6] and trademarks. However, compatible connectors are on the market.

References[edit]