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You can connect this board directly to 5V systems (5V power in to VCC) and the SDA and SCL pins will be at 5V levels
One way is to use a voltage divider
Sleep: <20μA
2V polymer Lithium battery
just plug & play
868 MHz antennas 5DBI Lora Torsion Spring You can connect this boardIntroduction : This antenna is 868MHz a half wave dipole antennas with a base connector that can swivel up to 90 degrees. It is well suited to LORA and ground station, or fixed installation applications. An additional feature of this type of antenna is reduction of local noise introduced into the antenna from electronics connected to the modem.
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