1、The product adopt active antenna RF power supply, very stable to use in your life 2、The output of the broadband amplifier is blocked with this product, very useful and practical 3、Communication data is injected through the RF terminal, which improves work efficiency 4、RF bias tee come with stable structure, excellent performance and long service life 5、Made of high class material with good quality, durable for a long using time Item Type: RF Bias Tee Frequency Range: 50K-60MHz Insertion Loss: 0.1dB at 100KHz, 0.2dB at 60MHz Maximum Voltage: 50V Maximum Current: 500mA Radio Frequency Connector: SMA-K(SMA female) System Impedance: 50 ohmDimension without Connector: Approx. 33 x 33mm / 1.3 x 1.3in Wiring: 1. DC: External DC power supply 2. RF: RF signal terminal (this port can only send RF signals) 3. RF + DC: RF DC offset (this port can transmit RF and DC offset) 4. GND-: Common ground terminal of DC power supply 5. VCC +: DC power terminal 1 x RF Bias Tee