Features:_x000D_ _x000D_ This device features low cost, small size, low power consumption, high precision and high stability, wide dynamic range. _x000D_ It has a frequency range from IF to UHF audio. _x000D_ Suitable for a variety of applications which need to reduce signal to decibel equivalent. _x000D_ Excellent power non-sensitivity and temperature stability. _x000D_ Widely used for converting signal level into dB form, transmitter antenna power measurement, received signal strength indicator(RSSI), low-cost radar and sonar signal processing, network and spectrum analyzer (reaching 120 dB), determining signal level is as low as 20 Hz, multimeter true dB communication mode. _x000D_ _x000D_ _x000D_ Specification:_x000D_ _x000D_ Model: AD8307 _x000D_ Input power default range: -75 ~ +15 dbm _x000D_ Power supply voltage: 6 ~ 12 V@ < 10mA_x000D_ _x000D_ Weight: 37 g / 1.3 oz(approx.) _x000D_ _x000D_ _x000D_ Package list:_x000D_ 1 * Power Meter