E22-230T33E SEMTECH's LoRa solution 33dBm12km UART/RS485/RS232/USB interface Fast long-distance transmission lora transparent module

ZZteco

Electrical parameters		unit	E22-230T33E	Remark
Voltage			3.3~5.5	More than 3.8V burns the module permanently
communica tion level		v	3.3	Use of 5V TTL is recommended plus level shifting
power consumption	emission current	mA	1000	Instantaneous power consumption
	receive current	mA	17
	Sleep current	mA	2	software shutdown
temperature	Operating temperature	c	-20~+85	industrial design
temperature	Storage temperature	c	-40~+125
Working humidity		%RH	10~90
Note :When the communication mode is USB, the working voltage is 3.7~5.5.

RF parameters	Value	Remark
Working frequency	220.125~236.125 MHz	Support ISM frequency band
Transmit power	33dBm	The software is adjustable and needs to be developed and set by the user
Acceptance sensitivity	-124 dBm	Air rate 2.4 kbps
FIFO	240 Byte	Subpackage 32/64/128/240 bytes can be sent by command setting
Modulation	LoRa	A new generation of LoRa modulation technology
Measured distance	12km	In a clear and open environment, the antenna gain is 5dBi , the antenna height is 2.5 meters, and the air rate is 2.4kbps

Hardware parameters	Parameter value	Remark
Communicatio n Interface	UART/RS485/RS232/USB	single output
Crystal frequency	32MHz
Encapsulation	In-line
In-line -	Mini PCIE
Dimensions	30 * 51 mm	士0.2mm
Antenna form	1st generation IPEX	Equivalent impedance about 50 Ω
Product Weight	7.2g	士0.5g

ZZteco

Pin No.	Item	Direction	Description
1	TO	output	Used to indicate the working status of the module; the user wakes up the external MCU , and outputs a low level during the initialization of the power-on self-test; (can be suspended)
2	VCC	Input	Power input 5.0V
3	M0	Input ( very weak pull-up )	Cooperate with M1 to determine the 4 working modes of the module (not floating, if not used, it can be grounded)
4	GND	-	power reference ground
5	Ml	Input ( very weak pull-up )	Cooperate with M0 to determine the 4 working modes of the module (not floating, if not used, it can be grounded)
6	NC	-	-
7	NC	-	-
8	NC	-	-
9	GND	-	power reference ground
10	SMD_DI0	input /output	Program download data interface ( the module needs to be reset or erased before SWD programming )
11	RXD	input	TTL serial port input, connect external TXD output pin
12	swD_CLK	input /output	Program download clock interface ( the module needs to be reset or erased before SWD programming )
13	TXD	output	TTL serial port output, connect external RXD input pin
14	NC	-	-
15	GND	-	power reference ground
16	NC	-	-
17	NC	-	-
18	GND	-	power reference ground
19	NC	-
20	NC	-	power reference ground
21	GND	-	power reference ground
22	RESET	input	The input low level module enters the hardware reset state, and the input high level module recovers the normal working state. This function is used for the reset operation in emergency
23	NC	-	-
24	VCC	input	Power input 5.0V
25	NC	-	-
26	GND	-	power reference ground
27	GND	-	power reference ground
28	NC	-	-
29	GND	-	power reference ground
30	NC	-	-
31	NC	-	-
32	NC	-	-
33	NC	-	-
34	GND	-	power reference ground
35	GND	-	power reference ground
36	USB_D-	input /output	D- of other external USB devices
37	GND	-	power reference ground
38	USB_D+	input /output	D+ connected to other USB devices
39	VCC	input	Power input 5.0V
40	GND	-	power reference ground
41	VCC	input	Power input 5.0V
42	NC	-	-
43	GND	-	power reference ground
44	NC	-	-
45	RS232_RXD	input	External TXD of other RS232 devices
46	NC	-	-
47	RS232_TXD	output	RXD connected to other RS232 devices
48	NC	-	-
49	RS485_A	input /output	A terminal connected to other RS485 devices
50	GND	-	power reference ground
51	RS485_B	input /output	Connect to the B terminal of other RS485 devices
52	VCC	input	Power input 5.0V

E22-230T33E SEMTECH's LoRa solution 33dBm12km UART/RS485/RS232/USB interface Fast long-distance transmission lora transparent module

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