The 4043E-1-480503-yyzz from Bird is a Power Sensor with Frequency 806 to 869 MHz, Power Range (Watts) 2.5 to 500 W(Measurement Range), Power Range 33.98 to 56.99 dBm, Operating Temperature 0 to 50 Degree C, Storage Temperature -40 to 80 Degree C. More details for 4043E-1-480503-yyzz can be seen below.