ADTRAN TRACER 5045 (Freq. B > More Info TRACER 5045 (Freq. B, 19 Inch x 1U rackmount wireless bridge and layer 2 switch. Incorporates system electrical and 4 port 10/100BaseT Ethernet interfaces, user controls, indicators and digital modulation processing. 5.8 GHz ISM band transmitter and receiver with 100 milliwatt maximum output power. +/-21 to +/-60 VDC input.)