Performance characteristics of GB3GD's duplexer.
1: Transmitter leg.
80dB Attenuation at the RX frequency
1.7dB at the TX Frequency
2: Receiver leg.
85dB Attenuation at the TX frequency
1.8dB at the RX Frequency
3: Aerial Facilities Bandpass Filter
Approx 0.6dB across the band