Ethertronics Tunable Embedded Antennas
AVX Ethertronics Dual Band Tunable Embedded Antennas offer coverage for 2.4GHz and 5GHz bands for use with Wi-Fi, Bluetooth, Zigbee, and other protocols, and are available in rigid and flex PCB variants.
The antennas employ a unique Isolated Magnetic Dipole design that minimizes interaction with surrounding components and ground planes. This simplifies placement of the antenna and ensures consistent performance. They also offer an optimized combination of size, performance, and emissions. They range in height from 1.6mm to 1.8mm with a 35.2mm x 8.5mm footprint and weight from 0.5g to 0.8g, while pre-applied adhesive on the back side makes it easy to mount.
In terms of performance, the antenna offers 2.5dBi peak gain and 60% efficiency at 2.4Ghz, and 4.4dBi peak gain and 71% efficiency at 5GHz. VSWR is low and flat, with a max of 2.0:1, and the antennas can handle a continuous wave input up to 0.5W.
The IMD design also provides designers limited frequency range tuning on both bands. Tuning is easy and is accomplished by connecting or cutting various solder pads on the antenna. The 2.4GHz band can be tuned lower by up to 370MHz or higher by up to 300Mhz, while the 5GHz band can be tuned lower by as much as 1.9GHz.
The antennas come with a pre-attached cable up to 100mm long with either a u.FL compatible connector or an MHF4L connector, and they have a 50Ω unbalanced feed point impedance. To learn more about AVX Ethertronics dual band tunable embedded antennas, visit Mouser.com.
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