The 12218S from Berkeley Nucleonics Corp is a RF Power Meter & Sensor with Frequency 50 MHz to 18 GHz, Power Range -34 to 20 dBm (Avg), '-24 to 20 dBm (Pulse), Bandwidth 35 MHz (Single Shot Bandwidth), Current 480 to 500 mA. Tags: Power Sensor. More details for 12218S can be seen below.