The 5012D from Bird is a RF Power Meter & Sensor with Frequency 350 MHz to 4.0 GHz, Power Range 21.76 to 51.76 dBm (150 mW - 150 Watts Avg., 400 Watts Peak), Peak Power Range 56.02 dBm. Tags: Inline Power Meter, Power Meter. More details for 5012D can be seen below.