[ Upgrade]: The upgraded GA800 antenna has lower noise, stronger signal reception, and no tuning required. It can be used immediately after powering on. The receiving frequency is between 10kHz-159MHz, covering LW, MW, SW, FM, aviation band, and V band used by walkie-talkies. For high frequency (FM, aviation band, and even V band, etc.) reception, we recommend turning off the power. [Signal Amplification - Noise reduction]: The GA800 loop antenna has built-in signal amplification circuit and noise suppression circuit. Under the same environmental conditions, its noise control effect is 20% higher than that of GA450, which can effectively amplify the signal and reduce the impact of noiseand better signal strength is obtained. [Tuning-Free]: This shortwave loop antenna is equipped with an switch, no tuning is required, and the operation is simple. It can be used immediately after powering on. Combined with a radio, it can enhance your listening experience. It is an ideal choice for shortwave listeners () and amateur radio enthusiasts (HAM). [Multiple Hanging Methods]: GA800 has designed a circuit, and you can try multiple hanging methods according to different usage scenarios. It is designed to be integrated and split and introduced indoors through feeders. Not only suitable for indoor environments, but also for outdoor use, the reception effect is greatly improved, which is very suitable for people living in apartments or restricted areas. [2600mAh Battery]: The 2600mAh rechargeable battery meets your long-term listening experience. The built-in battery protection circuit protects the battery from over-discharge and over-charging, and protects the device to extend its service life. The words on the stickers are different, but it does not affect the use Color: As Shown Material: Plastic+Metal Package Contents: 1 x Antenna with control box 1 x BNC cable 1 cable 1 x Output cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.