Features:
1. Independent switch, no tuning, can be used both indoors and outdoors (pay attention to waterproof when using outdoors
2. The antenna is used outdoors, the receiving effect is improved, and the noise reduction ability is stronger
3. Small size, easy installation, obvious effect, strong playability
4. Low noise, high frequency (FM, aviation, even U/V segment, etc.) reception is recommended to turn off the power

Specification:
1. Charging circuit: Built-in battery protection circuit to protect the battery from over-discharging and over-charging. Automatic disconnection when the battery voltage is lower than 2.5v
2. Material: plastic shell + stainless steel ring
3. Working voltage: 5V/1A
4. Working frequency: 10KHz-159MHz
5. Working temperature: -10 to 60 degrees Celsius
6. Battery capacity: 2600 mAh
7. Power supply mode: USB charging / built-in 18650 lithium battery
8. Impedance: 50 ohm
9. Gain: 20 db
10. Antenna loop inner diameter: 260mm
11. Control box: 107 x 65 x 26mm

Package Included:
- 1 x antenna with control box
- 1 x manual
- 1 x BNC cable (5m)
- 1 x Power cable (Type-c/USB-c data cable)
- 1 adapter (BNC-SMA)
- 2 x output cables (BNC-3.5 x1m; BNC-BNC x 1m)