This kind of remote control can duplicate almost fixed code remote control in the market. It is easy to operate without opening the enclosure and without external programmers.
This is the only remote control in the market that permit to duplicate original remote control operating in following frequencies:

Frequency:
315MHz
432.92MHz-433.92MHz
330MHz
867.3MHz-869.3MHz
288MHz
300MHz
303MHz
303.825MHz
306MHz
310MHz
318MHz
390MHz
403.55MHz
418MHz
280MHz-360MHz
385MHz-400MHz