range problems

Hello everyone, I have a radio master tx12 with a jumper 4 in 1 module. I just got a new Umx turbo timber and I was excited to take it out to try. I did a quick range test just to be safe and I am glad I did because the RSSI reading on my transmitter lost connection at about 100 feet. It was...

Hi guys, I have had my dji f450 with a fly sky radio for a while now, about a month and a bit. However the last two days it fell out the sky and landed in two peoples back gardens. I've done a test where I power the receiver off a RC car's power and skateboard away. As I skate away I watch the...