PLL or crystal, 137-199 MHz and 400-499 MHz, POCSAG. Please notice that the frequency you use. *One device just with 4MHz bandwidth. *The frequency can be customized in the frequency range, 4MHz bandwidth you can program when come out factory. For example, your order 1x 439.9875MHz, you just can use 437.9875-441.9875 MHz. You can not use 458.6625MHz when you customize 439.9875MHz. *Default frequency is 439.9875MHz.
1) You can use the default RIC id if can not write your ID, the first and the second have Beep Beep voice,
2) Some language Character coding not support in DAPNET server, will cause unintelligible text, change to English is ok.
3) Some time DAPNET server connect timeout, try later or change network(WiFi).