The BlueFin 2 is a log periodic sharkfin antenna with 7 dB of forward gain in a directional pattern. It offers excellent rejection of interfering signals outside of the direction the antenna is pointed.
The Blue Fin 2 is designed for both receiving and transmitting. It offers an exceptionally low, near ideal, SWR (standing wave ratio) to efficiently transmit with nearly 100% of the energy radiated. The range of coverage for any wireless or IFB system is almost doubled in the direction the antenna is pointed compared to dipole or whip antennas.
As a receiver antenna, it improves receiver operation by eliminating overload from mobile phones, walkie talkies, and other sources of RF radiation.
Paired with a transmitter, the filtered antenna will keep wide-band low level noise below detection levels of receivers that have their antennas in close proximity to the transmitter antenna.
The standard BlueFin 2.5 covers 470-620 MHz, but a filtered version with a custom tuned band pass filter of 44 MHz at the center frequency of choice is also available. The custom filtered version dramatically eliminates interfering signals outside of the bandpass of the antenna’s filter. Please indicate your desired center frequency (492 – 598 MHz) in order comments.
A note on antenna amplification:
This antenna is not offered with an integral amplifier and Zaxcom doesn't recommend you use one because the background noise is higher than the cable loss the amplifier is trying to overcome. With Zaxcom Digital Wireless ,an antenna amplifier actually degrades performance because it’s never as good as the built-in front end filter inside the receiver. For the best range, a directional antenna, like the BlueFin 2, with a low loss cable instead of an amplified antenna is recommended.
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