Bán Ăng Ten Thu Sóng Ngắn 10khz Sang 30mhz Mini Kèm Cáp Tiện Dụng giá tốt nhất

New version, using ern BF998 and BCX54 semi conductors Real class-A circuitry, clean reception without IMD. One coax connection. Broadband R/C coupling to the receiver, no transformer Technical Specifications: Frequency range: 10 KHz - 30 MHz Power: 12 - 15 volts at 150 mA Second order output intercept point: more than + 70 dBm Third order output intercept point: more than + 30 dBm Maximum output power: in excess of - 15 dBm PCB Size: 155 x 27mm Connector: BNC Feed line: 50 - 100 ohm coaxial cable up to 100 meter long Colour: as shown Material: PCB Package Contents: 1 x SDR Portable Receiver Note: The white characters on the product are random, don't accept the specified color To note please: Each antenna performs as good as its installation permits it to. Any active antenna is not working good inside the house! It should be mounted outside and as high as possible. Place this Mini Whip antenna PCB inside a suitable enclosure of your choice and mount outside the house. Probably for the enclosure you can use a piece of the PVC tube which available in various diameters in a local store. Do not use metal enclosure! It won't work there!Only the above package content, other products are not included. Note: Light shooting 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.