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I have a jumper T16 transmitter so I bought a jumper R1 receiver, makes sense right. I've only gone about half a kilometre in suburbia so far, need to get out of town & test it properly without houses around.
Maybe because the Jumper split, the package changed But the goods themselves seem to remain the same as they looked at it (^-^) All the quads I own are built on R1 except for off-the-shelf walkera and DJI It's not the smallest lightest, but it supports RSSI and S.Port The IPEX4 antenna used in the 500 series and 600 series is probably small and light, but it is still relatively expensive and there are few products Since R1 is a normal size IPEX, there are many replacement products and antenna type and length can be customized (^-^) So far, we can mount it on quads larger than 90mm size, but sometimes we think the connector is in the way It is nice to have a solder pad specification (^-^)