The AT11M GPS Fixed Attenuator is a one input one output RF device in a small form factor. Designed specifically for use in all L-Band channels of Global Navigation Satellite Systems, including GPS, Galileo, GLONASS, and QZSS, the AT11M Fixed Attenuators provide a user-specified attenuation from 2 to 40dB. The AT11M also includes the option to pass the receive antenna LNA DC bias voltage through the device or to block the DCpath to the antenna.