Features: The 144Mhz Bandpass Filter is essential computer adapter accessory,enhances signal clarity and reduce interferences in your electronic devices. This bandpass filter ensures durability and efficient performances for seamlessly connection. Small size, excellent selectivity, high out-of-band suppression. For upgrading your gaming setups, the 144Mhz Bandpass Filter provides superiorsly signal filtering for optimaled device functionality. Elevates your computer experience with this versatiled bandpass filter, a must for anyone improving data transmission and reduced noise in their digital environment. Specifications: Model: FBP-144 Impedance: 50Ohms Center frequency: 144MHz Center frequency insertion loss: 2.5dB ~ 3.0dB 144MHz Component: Metal 3.0dB bandwidth: 127 ~ 157MHz 30dB bandwidth: 105 ~ 200MHz More than 50dB stop band: 85 ~MHz & 300 ~ 1400MHz, Carrying power: 3W (35dBm) Interface: SMA-M, SMA-F Package Includes: 1PC 144MHz 2m Band Bandpass Filter Only note: This product is not waterproof. Due to problems of lighting effect there will be certain tolerances in product, please understand. Please allow 0-1cm error due to manual measurement.