| Model | JS-20A |
| Color | Silver |
| Quantity | 1 |
| Specification | Zinc alloy die casting housing、 nickel plating processing surface; Powered by the receiver from the cable; Frequency: 950~2150MHz; Gain: 20dB; DC current: 500mA (maximum); Power: DC 15 +/- 3V |
| Packing List | 1 x Amplifier |