Radioddity LPFX7 Low Pass Filter is designed for Radioddity PAX100 RF power amplifier and other devices, mainly used to suppress transmitter harmonics during transmission and reception. It also provides some pre-selection filtering on receive. The LPFX7 is with Specifications Frequency Range: 10M, 15M, 20M, 40M, 80M Input Power: 100W CW, 200W SSB Filter Structure: Elliptic filter Filter Order: 7th order Harmonic suppression: >30dB Input & Output Connectors: SMA-K Power supply voltage: 12V-16V Working current: 100maSize: L150mm, W50mm, H35mm (5.9 x 1.97 x1.38in)Weight: 190G (0.42lb) Working temperature: -15℃~55℃ Storage temperature: -30℃~75℃ Warning 1. The filter is designed for the PAX-100 and achieves the best performance with it. 2. When used with other radios or devices, slight degradation of performance can be expected. 3. Working Voltage: 13.8V | Working Current: 0.1- 0.5A 4. Maximum Input Power: 100W for CW, 200W for SSB. Exceeding the rated power levels may cause damage to the filter. 5. Harmonic suppression: 10M & 15M, 20M, 40M>30db 80M>51db Installation Guidance What’s in the box 1 x Radioddity LPFX7 Low Pass Filter 2 x Input & Output Feeder 1 x Power Cable