brand new and high quality Features: No Tuning required This is a super portable passive HF/VHF loop antenna. Note: This antenna is not waterproof, if you use it outdoors, please do waterproof treatment yourself, such as waterproof glue. But for radios without super low MDS specs, the signals can be boosted on by using any external low cost HF amplifie. It also works to some extent with the RTL V3 in direct sampling mode if you enable RTL AGC. Specification: 1.HF Response: 10kHz to 30 MHz 2.VHF Response: up to 300 MHz 3.Maximum Power: 250 mW Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes(without retail package): 1PCS x T-shaped BALUN 1 PCSx Phase Inverter 2 PCSx 1m RG402 Coax Loop Cable 1PCS x 6m RG174 Coax Feedline