SKY-3 RF protection in front-end , protect any kind of receives in the GPS market. Standard WAAS tune from our antennas Short-circuit protection as standard design Wide power supplier voltage from +2.5~5V Narrow band-width<=30 MHz. Cable can be up to >10 meters even for small patch antenna. SPEC	Activesky-3 * Open frame antenna with RF shield * Standard WAAS function from our antennas * Short-circuit protection as standard design. * Wide power supplier voltage from +2.5~+5V. * Narrow bandwidth at 5MHz for real GPS L1 signal. * Cable can be>10m length even for small patch Ant. * Multi type connector options.