E22-900T22D is a wireless module (UART) with multiple
transmission modes, working in the 850.125MHz~930.125MHz, (default 868.125MHz).
It features LoRa spread spectrum technology, TTL level output, compatible with 3.3V
and 5V IO port voltage.
Specifications:
[Frequency]：850.125~930.125MHz
[Power]：22dBm
[Distance]：5km
[Size]：21*36mm
[Weight]：6.5±0.2g
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