... filter technology, MCU, real-time power detection, digitally controlled attenuator, compact design, and single 5V power supply, with I2C and SPI ... Meanwhile, they have excellent performance, small size, low power consumption and competitive price.Connect the LCD display and 4 ... UPC860H is high output (60dBmV) with 30dB adjustable range, power detection, LCD screen interface, and a key-board interface. ...