Check the listing for details. For Secure Connections 2W BNC Attenuator ??0.5dB Accuracy For RF Applications. Condition: New. Listed at 12.19 USD. Wide Frequency Range: Suitable for a diverse range of applications, this attenuator has a frequency range of DC to 3GHz, allowing for versatile and flexible usage. 1 RF Fixed Attenuator. The attenuation accuracy is within ±0.5dB for values between 1dB and 10dB, and within ±1dB for values between 15dB and 30dB.