Your 1000m remote control looks same as others’3000m remotes, what is the difference?

How do you ship goods?

What is working mode? What working modes do your products have?

What should I do if the products are DOA(defective on arrival)? What if the products are broken during using?

Can you customize a product as my need?

How do you pack the products?

I need long range of my transmitter while it must meet CE/FCC standard as well, can you make it?

14.What are KRG and KLR?

Are all your products approved by CE/FCC?

How long is your lead time?

What is co-frequency interference? How to avoid?

What is coding type? What coding type do you have?

Does your price cover tariff? How much should I pay for customs clearance?

How long is the battery life?

What is the difference between ASK and FSK?

Why all your products work at 433.92MHz/315MHz/868MHz? Can I have different frequency?

Is the antenna the longer the better?

Is the antenna important? Can I remove the antenna?