FPV 1.4g Machine Low Pass Filter 1.2g Transmitter FPV System Accessory 1: small volume, light weight, small insertion loss. . 2: both sides of gold-plated SMA connector (for SMA female head, external thread hole; on the other side for the SMA male head - internal thread needle), double-sided circuit board design, high mechanical strength, stable performance. . 3: good passband ripple coefficient and capacity restraint outside the band. . 4: unique shielding design, beautiful and practical. . 5: import the patch components, durable, zero failure rate. . Note that this filter is only applicable to 1.4 G frequency below figure, is not suitable for 2.4 G and 5.8 G figure! . The same conditions, the figure of 1.2 G transmission distance and the shade resistance is much better than 2.4 G and 5.8 G figure, more suitable for long-distance video transmission and complex environment . Technical parameters: Cutoff frequency: &gt; 1.4 Ghz is higher than 1.4 Ghz frequency be discard, below this frequency all through . Net weight: 5 g / 0.2 oz . FPV 1.4g Machine Low Pass Filter 1.2g Transmitter FPV System Accessory ... Package Include: 1 x FPV 1.4g Machine Low Pass Filter 1.2g Transmitter