2.8 MHz SMD 2-cell low-pass filter and 4.43 MHz notch filter

Variable capacitor / trimmer, 0.2 - 1 pF

Variable capacitor / trimmer, 3 - 12 pF, 100V KYOCERA CTC-6U-005

Variable capacitor / trimmer, 2 - 5 pF, 100V

Variable capacitor / trimmer, 4 - 16 pF, 100V Temex AT 2320G-4

Variable capacitor / trimmer, 8.5 - 25 pF, 250V Mini-Circuits ERA-2SM+

InGaP HBT MMIC amplifier, micro-X TOKO H355LNK-2543LTG

2.8 MHz SMD 2-cell low-pass filter and 4.43 MHz notch filter muRata LDB30C201A2097

Balun and RF transformer, 1:4, 1.7 - 2.3 GHz, SMD 4.5x3.2mm, max. 3W