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

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

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

tiempos de poco más largo de lo habitual causa covid pero como siempre muy aceptable todo según la descripción del pecado no está presente una fila de contactos para el resto excelente

tempi di poco piu lunghi del solito causa covid ma come sempre accettabilissimi tutto come da descrizione peccato non sia presente una fila di contatti per il resto ottimo

tiempos de poco más largo de lo habitual causa covid pero como siempre muy aceptable todo según la descripción del pecado no está presente una fila de contactos para el resto excelente

Very nice item,quick delivery.

Very nice item,quick delivery.

Very nice item,quick delivery.

it is a good product value for money quality is nice ...

it is a good product value for money quality is nice ...

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.

Very well packed, quality is very good. Work very well. Good service and information. price is spot on.

Very well packed, quality is very good. Work very well. Good service and information. price is spot on.

Para Suecia, tomó menos de 10 días y sin impuestos ni tasas adicionales. Exactamente como se describe. Buen vendedor/compañía Gracias.

To Sweden, it took less than 10 days and no tax or extra fees. EXACTLY AS DESCRIBED. Good seller/company Thanks.

Para Suecia, tomó menos de 10 días y sin impuestos ni tasas adicionales. Exactamente como se describe. Buen vendedor/compañía Gracias.

Verry good wireless communication in long distance

Verry good wireless communication in long distance

Verry good wireless communication in long distance

Good shipping perfect conditions

Good shipping perfect conditions

Good shipping perfect conditions

These things work like a charm, and easy to understand with the documentation..

These things work like a charm, and easy to understand with the documentation..

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 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 purchased 4 before 3 months i've tested them and i bought another 10 for my network of sensors... this product is amazing