Features Effective Filtering: This receiver filter can effectively filter out of band signals, reduce noise and increase dynamic range. PCB Board: The filter has an ultra thin PCB inside, which still has excellent suppression capability for out of band distant signals and very stable and superior performance. 1235MHz Center Frequency: The center frequency of this receiver filter is 1235MHz, suitable for all 1235mhz miners and antennas. Aluminum Alloy Shell: This filter uses aluminum alloy shielding shell, anti interference, no out of band spurious response, compact and sturdy, easy to use. Easy to Use and Carry: This receiver bandpass filter is compact and standard, lightweight and rugged, easy to carry and install and use. Specification: Item Type: SAW Bandpass Filter Material: Aluminum alloy Impedance: 50 Ohms Maximum Load Power: 200mW (23dBm) Interface: SMA-M, SMA-F Center Frequency: 1235 MHz Bandwidth: 1 dB/ 60 MHz 3 dB Passband: 1205-1265 MHz Passband Interpolation Loss: <= 3.0 dB Package List: 1 x SAW Bandpass Filter Package List 1 x SAW Bandpass Filter