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i already use this module to communicate more arduinos togheter, the interface is simple and with perfect line of sight i can communicate with included antenna for around 1.5Km. using internal in a house is perfect for this and with hight baudrate bidirectional. for external usage is good but data trasmitted is low and latency is around 2 seconds, really useful to lanch command to a remote machine. some useful information and command can be found here https://www.elecrow.com/download/HC-12.pdf http://avrproject.ru/112/rf_hc12/2016-01-14_122335_HC-12_v2.3B.pdf attached here is some test of distance
Czasy nieco dłuższe niż zwykle powodują covid, ale jak zawsze bardzo akceptowalne Wszystko zgodnie z opisem grzech nie jest obecny rząd kontaktów dla reszty doskonałe
Very nice item,quick delivery.
it is a good product value for money quality is nice ...
Very well packed, quality is very good. Work very well. Good service and information. price is spot on.
Verry good wireless communication in long distance
Good shipping perfect conditions
These things work like a charm, and easy to understand with the documentation..
i've purchased 4 before 3 months i've tested them and i bought another 10 for my network of sensors... this product is amazing
I've tested the module with two linux (debian) point-to-point with SLIP ptotocol at (9600bps and 115200bps) it works great for 1 month, the packet lost is 0% . The distance is for 9600bps 240meters and for 115200 80meters!