Unequal amounts of signal sent to two antennas for different sized areas</br>One output port loses 10 dB; one loses 0.5 dB</br>800 MHz band (Cellular & iDEN)</br>90 percent of the signal strength is sent through the -0.5   dB output port</br>Can be wired in series (daisy-chained) to power up to 20   antennas?? N-Female Connectors</br></br>Product Description</br></br>Minus 10 dB?? 700 to 2300 MHz.</br><br/>http://www.amazon.com/gp/product/B0018PXRC4