With over 20 dB (typical) of gain, the 58529A increases the maximum cable length from 115 to 240 meters between the 58532A GPS Antenna and a timing receiver. Two amplifiers may be used in series to achieve distances up to 360 meters. An active device, the 58529A accepts power between +4.5 VDC to +13 VDC. The unit is designed to pass DC power up to the GPS antenna.