E22-230T37S SEMTECH LoRa solution, 230MHz, 5W high power, relay networking,LoRa wireless module

ZZteco

Main parameters		Performance			Remarks
		Minimum	Typical	Maximum
Working voltage (v）		4.5	5~12 V	15	≥4.5V can guarantee the output power, the lower the voltage, the greater the supply current
Communication level (V)		-	3.3	-	There may be a risk of burning when using a 5V level, and a level conversion circuit is required
Working temperature (℃)		-40	-	85	industrial design
Working frequency band (MHz)		220.125	-	236.125	Support ISM frequency band
power consumption	5V emission current (mA)	2900	3100	3300	Tested under 50 ohm impedance, impedance mismatch may lead to excessive current, please provide at least 3.5A output power supply when using 5V power supply
	12V emission current (mA)	900	1100	1300	Tested under 50 ohm impedance, the impedance mismatch may cause the current to be too large, please provide a power supply with at least 1.5A output when using 12V power supply
	Receive current (mA)	38	43	48	-
	Sleep current (uA)	-	2	-	software shutdown
Maximum transmit power (dBm)		36	37	38	-
Blocking power (dBm)		-	-	10	High-power radio frequency do not communicate at close range
Receiving sensitivity (dm)		-126	-128	-130	Air rate 2.4 kbps
Air rate (bps)		0.3k	2.4k	62.5k	User Programmable Control
Reference distance		20km			Sunny and open, urban area of Chengdu, antenna gain 5dBi, antenna height 2.5 meters, airspeed 2.4K.
launch length		240 Byte			Subpackage 32/64/128/240 bytes can be sent by command setting
cache capacity		1000 Byte			-
Modulation		LoRa			A new generation of LoRa modulation technology
Communication Interface		UART serial port			TTL level
Encapsulation		patch			SMD
Interface		2.54mm			-
Dimensions		50*30.9mm			-
RF interface		IPEX/stamp hole			The characteristic impedance is about 50 ohms

ZZteco

No.	Pin	Pin Direction	Remarks
1	GND	Input	Module ground wire
2	GND	Input	Module ground wire
3	VCC	Input	Module power positive reference, voltage range: 4.5 ~ 15 V DC
4	VCC	Input	Module power positive reference, voltage range: 4.5 ~ 15 V DC
5	RESET	Input	Module reset pin
6	AUX	Output	Used to indicate the working status of the module; the user wakes up the external MCU, and outputs a low level during the power-on self-test initialization period ; (can be left floating)
7	TXD	Output	TTL serial port output, connected to external RXD input pin;
8	RxD	Input	TTL serial port input, connected to external TXD output pin;
9	M1	Input (very weak pull-up)	Cooperate with M0 to determine the 4 working modes of the module (cannot be left floating, can be grounded if not used)
10	M0	Input (very weak pull-up)	Cooperate with M1 to determine the 4 working modes of the module (cannot be left floating, can be grounded if not used)
11	GND	Input	Module ground wire
12	GND	Input	Module ground wire
13	ANT	Output	Antenna interface (high frequency signal output, 50 ohm characteristic impedance)
14	GND	Input	Module ground wire
15	GND	Input	Module ground wire
16	GND	Input	Module ground wire
17	GND	Input	Module ground wire
18	GND	Input	Module ground wire
19	GND	Input	Module ground wire
20	STATE	Output	Module status indication output, if not used, just leave it unconnected
21	NC	-	No need to care, floating
22	NC	-	No need to care, floating
23	NC	-	No need to care, floating
24	NC	-	No need to care, floating
25	NC	-	No need to care, floating
26	NC	-	No need to care, floating
27	GND	Input	Module ground wire
28	NC	-	Floating
29	NC	-	The bottom of the module is reserved with matrix solder pads. Users need to ground them to assist in the heat dissipation of the module. For detailed dimensions, please refer to the PCB packaging diagram in the relevant download section of the Ebyte official website.

Note: The module must be connected to a 50 ohm impedance antenna when sending. No-load transmission may cause permanent damage to the module!!!