AppconWireless RF1276 Series Руководство - Страница 14

Просмотреть онлайн или скачать pdf Руководство для Блок управления AppconWireless RF1276 Series. AppconWireless RF1276 Series 16 страниц. Lora module

12. Q&A:

Questions and Answers

Can not

communicate

between two

devices

Short

communication

distance

Receive wrong

data

RF1276

1．The communication protocol is different between two modules, for

instance: data rate and checkout.

2． The frequency or RF data rate is different between two communicated

modules.

3．They are not the same kind products.

4．The connection between module and terminal is wrong.

5、The module is wrong.

6．The setting of EN is wrong.

7．The communication distance exceeds the range, or the connection of

antenna is bad.

1．The supply voltage exceeds range

2．The ripple of power is too big.

3．The connection of antenna is bad or it is a wrong kind of antenna

4．Antenna is too close to the surface of metal or the ground

5．Receiving circumstance is very bad, for instance buildings and strong

interference.

6．There is interference of the same frequency

1．Wrong setting of COM, for example, Baud rate is wrong

2．The connection of UART is wrong.

3．The cable to the UART is too long.

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LoRa module

V3.0

2018-2-12