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About the size and thickness of a quarter, Laird’s mFlexPIFA flexible adhesive-backed antenna mounts directly on metal surfaces without detuning. The device is based on a PIFA (planar inverted-F antenna) structure comprising a mylar antenna element with a foam core to form a low-profile, flexible antenna that can be used on concave or convex curved metal surfaces.
The 2.4 GHz mFlexPIFA can be used in a multitude of IoT applications to wirelessly connect everything from household appliances and automated equipment to medical devices. Specifications for the antenna include peak gain of +2 dBi, average gain of >-4.2 dBi, impedance of 50 Ω, and a VSWR of ≤3.0:1 from 2400 MHz to 2480 MHz.
Dimensions of the tiny antenna are just 25.4×23.4×2.5 mm, and it weighs 1.8 g. The mFlexPIFA operates over a temperature range of -40°C to +85°C. It works in WiFi, Bluetooth, Zigbee, Thread, and general ISM applications and is also certified for use in select Laird Bluetooth and WiFi modules. Pricing starts at $3.79 for 1,000.mFlexPIFA product page
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