ขาย [Lacooppia2] เสาอากาศแม่เหล็กแบบพกพา 30 มม. สําหรับ Hf & Vhf ราคาที่ดีที่สุด

Description: This is a super portable passive HF/VHF loop antenna. It also works to some extent with the RTL-SDR V3 in direct sampling mode if you enable RTL AGC. But for radios without super low MDS specs, the signals can be boosted on by using any external low cost HF amplifie. Note: This antenna is not waterproof, if you use it outdoors, please do waterproof treatment yourself, such as waterproof glue. No Tuning required Low-Loss Wide-Band BALUN with 0.28 dB loss typ. Specification: VHF Response: up to 300 MHz Maximum Power: 250 mW Size Chart: Cable length:approx.6m/20ft Package Includes: 1 Set passive magnetic loop antenna Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2cm error in size.