KP4IP-3 is an APRS iGate located in Cabo Rojo, Puerto Rico. It brings coverage to a multiple dead spots in the west area of Puerto Rico and pass APRS traffic from RF to Internet. The iGate operates on the 144.390 MHz frequency and retransmits data packages (APRS) originated by amateur radio operators. The hardware setup is a GM-300 radio with a Kantronics KPC3+ modem/ TNC.