This is a device commonly used for IF applications. It has a centre frequency of 21.4MHZ. It possesses 6-10 poles.

• Passband width: 3dB +/- 3.75 KHz
• Stopband width: 65dB +/- 17.5KHZ
• Ripple: 2.0dB
• Insertion loss: 3.0dB