Ojla,
imam ta RTX modul za 2 metrsko področje. Super zadevica...
Tak modul uporablja tudi SainSonic AP510 APRS tracker.
Rabiš še Arduino Pro Mini, da ga sprogramiraš in že imaš RTX moči 1W za dvo metrsko področje.
Program za Arduino Pro Mini by DJ7OO:
// DRA818V_3
// set parameters for DRA818V
int bw = 1; // bandwith in KHz ( 0= 12.5KHz or 1= 25KHz )
double ftx = 144.8000; // tx frequency in MHz (134.0000 - 174.0000)
double frx = 144.8000; // rx frequency in MHz (134.0000 - 174.0000)
String tx_ctcss = "0000"; // ctcss frequency ( 0000 - 0038 ); 0000 = "no CTCSS"
String rx_ctcss = "0000"; // ctcss frequency ( 0000 - 0038 ); 0000 = "no CTCSS"
int squ = 0; // squelch level ( 0 - 8 ); 0 = "open"
void setup()
{
Serial.begin(9600); // open serial at 9600 bps
delay(10);
Serial.print("AT+DMOSETGROUP="); // begin message
Serial.print(bw,1);
Serial.print(",");
Serial.print(ftx,4);
Serial.print(",");
Serial.print(frx,4);
Serial.print(",");
Serial.print(tx_ctcss);
Serial.print(",");
Serial.print(squ);
Serial.print(",");
Serial.println(rx_ctcss);
}
void loop()
{
}
Več lahko pogledate na strani DJ7OO:
http://www.kh-gps.de/dra.htmLp, Zvone