2000mhz filter

hi,

the best design method to realize the RF BPF (NOT CAVITY FILTERS)


The specifications:

Passband range: 1800MHz-2200MHz
Passband Insertion Loss: < -3dB
Passband Return Loss: >-15dB
Attenuation at 10 % away from bandwidth is around -60dB


please help in getting the design method...



thank you

Hairpin filter