Microwave Journal

High Current Bias Tees

January 17, 2011
Designed for wireless communication applications, this 7/16 DIN bias tee has a frequency range of 500 MHz to 2.5 GHz with 7 Amps DC current and 100 Volts DC voltage. There are a variety of connector options for the DC input. Typical insertion loss is 0.25 dB, 0.50 dB maximum while typical VSWR is 1.25:1, 1.50:1 maximum. The unit pictured is the Model 8820D, and it is also available in a weatherproof version, Model 8821D. Because of their rugged construction, both models are well suited for base station operations.