R18 VS S20

R18 is a new generation 4G+2G vehicle/motorcycle GPS tracker.

Compare to S20, the differences are:

1. R18 price is much cheaper

2. R18 is 4G+2G, S20 is 2G only

3. R18 is smaller than S20

   
   

4. R18 and S20 functions are almost the same. The R18 doesn't have below functions compare to S20:

  1) R18 can't provide specific external power voltage value, only provide on/off status.

  2) R18 doesn't support fuel theft/filling alert

  3) R18 internal battery working time Max is 2 hours

  4) R18 no phone call function, the generated alert can't trigger phone call, only GPRS/SMS options.