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E22-230T22D LoRa solution wireless serial port module

[Chip solution]:-

[Frequency]:220.125~236.125MHz

[Transmitter power]:22dBm

[Communication diatance]:5km

[Size]:36*21mm

[Product weight]:7.6±0.1g

[Introduction]:E22-230T22D is a new generation of LoRa wireless module. It is a wireless serial port module (UART) based on SEMTECH's LoRa solution radio frequency chip. It has a variety of transmission methods and works in the (220.125~236.125MHz) frequency band (default 230.125MHz). LoRa spread spectrum technology, TTL level output, compatible with 3.3V and 5V IO port voltages.

1
Serial Number
pin Pin direction Remark
1 M0
Input (very weak pull-up)

In conjunction with M1, it determines the module's four operating modes (it cannot be left floating; if not in use, it can be grounded).

2 M1 Input (very weak pull-up)

In conjunction with M0, it determines the module's four operating modes (it cannot be left floating; if not in use, it can be grounded).

3 RXD Input

TTL serial port input, connected to the external TXD output pin;

4 TXD Output

TTL serial port output, connected to the external RXD input pin;

5 TO Output

Used to indicate the module's working status;

When the user wakes up the external MCU, it outputs a low level during the power-on self-test initialization period; (this level can be left floating).

6 VCC Input

Module power supply positive reference, voltage range: 3.0~5.5V DC

7 GND Input

Module ground wire

8 Fixing hole

Mounting hole (connected to GND on the module)

9 Fixing hole

Mounting hole (connected to GND on the module)

10 Fixing hole

Mounting hole (connected to GND on the module)