Downlink messages limitations over TTN

[Vahan]

Hello,

Are there some limitations using TTN to send downlink trafic to end-nodes ?

I’ve read on the forum that LoRa class C isn’t implemented yet, on the other hand, I’ve read some topics about downlink messages over TTN so I’m confused.

Thanks in advance !

Vahan

[BoRRoZ]

Fair Use Policy explained

For The Things Network’s public community network the Fair Access Policy limits the data each end-device can send, by allowing: An average of 30 seconds uplink time on air, per 24 hours, per device. At most 10 downlink messages per 24 hours, including the ACKs for confirmed uplinks. A good goal is to keep the application payload under 12 bytes, and the interval between messages at least several minutes. An online airtime calculator can give you some insight. The following regulations apply a…

[kersing (Jac Kersing)]

Class A allows downlink traffic in a small window after uplink. You can queue a message to be transmitted on the next uplink.