Item Type: Bias Tee; Frequency Range: 10-6000MHz; Insertion loss: 0.3dB@512MHz, 0.45dB@1575MHz; High Voltage: 50V; High Current: 500mA; RF Connector: SMA-K (external thread internal hole); System Impedance: 50 ohms; Size(without connector): 33 x 33mm / 1.3 x 1.3in. | Our products use 100% brand new materials, which greatly improves the durability of the products and greatly extends the service life. At the same time, the use of the product is optimized, plug and play, very simple. | The role of potentiometers regulating voltage (including DC voltage and signal voltage) is mainly used in potentiometer instruments, post and telecommunications, power equipment, railway signals, aerospace, aviation etc. | This DC bias tee features wide frequency ranging 10-6000MHz.Great RF power supply for active antenna.Can also be used as output block of wide-band amplifier. | As long as you have any questions about the product, we will resolve your issue immediately if received your email, your satisfactory purchase experience is our greatest expectation!