Size:Approx.70x40x20mm/2.76x1.57x0.79inch Updated 2.4GHz Bandpass Filter WIFI ZIGBEE Bluetooth etc. Signal Filter 2.3-2.5GHZ This band-pass filter can filter out clutter signals other than 2.3-2.5GHZ, which can improve the signal-to-noise ratio. For example, before amplifying WIFI, ZIGBEE, Bluetooth and other signals, add this filter to filter out the clutter signal, and then send it to the low-noise for signal amplification, which can greatly improve the reliability of signal transmission and increase communication. distance.