this product is an amplifier of the radio singal , so it don't change your radio's frequency , is stil 2.4GHZ . just make the singal more powerful that make you control your plane more than 10KM, if you add SMA 2.4G 8db WIFI Patch antenna for radio,the transmission range can reach 20km.
You can get the SMA 2.4G 8db WIFI Patch antenna for radio free shipping from http://www.rc4y.com/sma-24g-8db-wifi-patch-antenna-for-radio-p-466.html
this product have two types , the power is 1W or 2W .
1W can make the control distance reach 10KM , 2w can make the control distance reach 20KM .
frequency: 2.4G, DC 5V , 1W
the package include :
1 x an amplifier
1 x 3db antanna
1 x a SMA cable