Features: brand new and high quality It is dedicated to the performance optimization of 870MHz receiving equipment, for RF signal testing in the 840～900MHz frequency range It can effectively filter out-of-band signals, reduce noise, and increase dynamic range. Use aluminum alloy shielded for shell, anti-interference, no out-of-band spurious response, compact and sturdy, easy to use. Ultra-small size, low insertion loss, excellent selectivity, high out-of-band rejection, high power handling Application: GSM mobile test system, RFID communication system, laboratory and other highly selected applications Specifications: Model:FBP-870 Impedance: 50 Ohms Center frequency: 870 MHz Passband (1dB bandwidth): 840～900MHz Center frequency insertion loss: 2.5 ~ 3.0 dB @870 MHz 3 dB bandwidth: 825 to 920 MHz 30 dB bandwidth: 740 to 1000 MHz Greater than 50 dB Stop Bands: for DC to 650 MHz & 1150 to 2200 MHz Maximum Carrying Power: 10 for W (40 dBm) Interface: SMA-M, SMA-F Size: approx 34x17.5mm/1.34x0.69in Package Includes: 1 x Bandpass Filter note: Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 0-2cm.