The present invention relates to new biphenyl-3-carboxylic acid modulators of beta-3-adrenoceptor activity, pharmaceutical compositions thereof, and methods of use thereof. A beamformer unit provides adaptive beam shaping pattern, and a baseband processor provides beam pattern requirements, wherein the beamformer unit modifies the beam pattern requirements with return loss sampling information to shape the adaptive beam pattern so that a transmitted beam pattern minimizes transmitted power reflected back to the mobile device. The valve has a source inlet connected to the reservoir interface port, an inlet connected to atmosphere, an outlet connected to the brake cylinder interface port and a control inlet connected to the exhaust interface port. The output transistor drives an inductor in series with a grounded capacitor, wherein an output of the regulator is at a node between the inductor and the capacitor, wherein VOUT generates a load current across a load when connected across the capacitor. Physical test member data is determined that represents conductors and contact points of a test member for testing the electronic device. The focus sight has a circular opening that may be rotated to different positions in the front sight to sharpen aiming of the handgun in order to accommodate varying environmental conditions and different types of ammunition.