| Brand | Unbranded |
|---|---|
| Color | Black |
| Country of Origin | China |
| Features | Portable |
| Item Weight | 150g |
| Memory | 8 Channels |
| Number of Channels | 8 |
| Type | High Impedance Amplifier |
Check the listing for details. For SDR Walkie Talkie For HackRF High Impedance Amplifier Small Loop Antenna New. Color: Black, Condition: New, Made in China. Listed at 26.41 USD. High-impedance amplifier is an impedance conversion device, which can convert higher impedance into standard 50 ohm output impedance, so as to play the role of impedance matching and isolation. High-impedance amplifier is mainly used for passive antenna receiving matching, suitable for sweet Donut Resonant Antenna, Whip Antenna, Whip Antenna, Magnetic Rod Antenna, etc.