R1.08: Has a single BCI filter onboard.
R1.10: Has a pluggable BPF onboard.
R1.25 (not released yet): Has space for a pluggable QRP Labs' BPF board. Onboard LPF is removed to make space! Please use an external LPF (bank).
R1.08: Has a single BCI filter onboard.
R1.10: Has a pluggable BPF onboard.
R1.25 (not released yet): Has space for a pluggable QRP Labs' BPF board. Onboard LPF is removed to make space! Please use an external LPF (bank).