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E22-230T22D LoRa solution wireless serial port module

[Frequency]:220.125~236.125MHz

[Power]:22dBm

[Distance]: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
No. Name Direction Function
1 M0 Input(weak pull-up) Work with M1 to decide 4 working modes of module (not suspended, if not used, could be grounded).
2 M1 Input(weak pull-up) Work with M0 to decide 4 working modes of module (not suspended, if not used, could be grounded).
3 RXD Input TTL UART input, connects to external TXD output pin.
4 TXD Output TTL UART output, connects to external RXD input pin.
5 AUX Output  To indicate module ’s working status & wakes up the external MCU. During the procedure of self-check initialization, the pin outputs low level.(suspending is allowed).
6 VCC Input Module power supply positive reference, voltage range: 2.3 ~ 5.5V DC
7 GND Input Ground
8 Fixed hole - Fixed hole(Connect to GND on the module)
9 Fixed hole - Fixed hole(Connect to GND on the module)
10 Fixed hole - Fixed hole(Connect to GND on the module)