Техническое описание на BIF-21.4 Полосовой фильтр : 50Ω Constant Impedance 18 to 25 MHz Operating Temperature -55°C to 100°C Storage Temperature -55°C to 100°C RF Power Input 0.5W max. Features • low VSWR in pass & stopbands, 1.3:1 typ. • rugged shielded case • custom fo models available Applications • harmonic rejection • lab use