E22-400T37S_SX1268_LoRa

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Ebyte E22-400T37S SX1262 433/470MHz 5W high power Relay networking LoRa wireless module

[Chip solution]： SX1268

[Transmission power]：37dBm

[Communication distance]： 25km

[Product size]： 50*30.9mm

[Introduction]：E22-400T37S is a new generation of based on SX1268 radio frequency chip wireless serial port module (UART), with a variety of transmission methods ,working in (410.125~493.125MHz)frequency band (default 433.125MHz), LoRa spread spectrum technology,TTL Level output, support 4 5 V - 15V supply voltage

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Note: The module must be connected to a 50 ohm impedance antenna when sending, and sending without load may cause permanent damage to the module ! !

serial number	Pins	Pin orientation	remark
1	GND	input	Module ground
2	GND	input	Module ground
3	VCC	input	The module power supply is positively referenced, and the voltage range is 4 5～15V DC
4	VCC	input	The module power supply is positively referenced, and the voltage range is 4 5～15V DC
5	RESET	input	Module reset pin
6	AUX	outpu	Used to indicate the working status of the module; The user wakes up the external MCU and the output is low during POST initialization Level; (Can be suspended)
7	TXD	output	TTL serial output, connected to external RXD input pin
8	RXD	input	TTL serial output, connected to external RXD input pin
9	M1	Input (very weak pull-up)	In conjunction with M0, determine the 4 working modes of the module (non-suspended, groundable if not used).
10	M0	Input (very weak pull-up)	In conjunction with M1, determine the 4 operating modes of the module (non-suspended,groundable if not used).
11	GND	input	Module ground
12	GND	input	Module ground
13	ANT	output	Antenna interface (high frequency signal output, 50 ohm characteristic impedance).
14	GND	input	Module ground
15	GND	input	Module ground
16	GND	input	Module ground
17	GND	input	Module ground
18	GND	input	Module ground
19	GND	input	Module ground
20	STATE	output	Module status indication output, if no dangling processing is used
21	485-EN	Input/output	The enable control pin of the external 485 chip can be used if floating processing is not used
22	NC		No need to care, dangling handling
23	NC		No need to care, dangling handling
24	NC		No need to care, dangling handling
25	NC		No need to care, dangling handling
26	SWDlO		No need to care, dangling handling
27	GND	input	Module ground
28	SWCLK		No need to care, dangling handling

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