GPS Garmin provide more amplification of the GPS signal to increase the cable distance in between the GPS antenna and receiver. GPS amplifiers are fitted in-line with the antenna cable television and obtain power from the receiver via the coax cable television. No external power-supplies are needed. Normally, a GPS amplifier may add a more 20 dB of gain, adding 30m of low-quality RG58 coax, 40m of LMR200 coax or 100m of high quality LMR400 coax. In addition, multiple in-line amplifiers might be utilised to more increase cable distance.Sharing a Single Antenna Between Multiple Receivers - GPS Splitters
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