E32-433T37S_SX1278_LoRa

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E32-433T37S SX1278 long distance 5W TTL lora uart Wireless serial port module

[Chip solution]：SX1278

[Carrier frequency]：410~441MHz

[Transmission power]：37dBm

[Communication distance]： 25km

[Product size]：50*30.9mm

[Introduction]：E32-433T37S is a new generation of on the SX1278 radio frequency chip wireless serial port module (UART),with a variety of transmission methods, working in the (410 ~ 441MHz)frequency band (default 433MHz), LoRa spread spectrum technology,TTL level Output, supports 4.5V - 15V supply voltag

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Main parameters		Performance			Remark
		Minimu m value	Typical value	Maximu m value
Working voltage (V)		4.5	5~12v	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 (°C)		-40	-	85	Industrial grade design
Working frequency band (MHz)		410	-	441	Support ISM frequency band
power consumption	5V emission current (mA)	2900	3100	3300	Tested under 50 ohm impedance, the impedance mismatch may cause the current to be too large, please provide a power supply with at least 3.5A output when using 5V power suppl
	12V emission current (mA)	900	1100	1300	Tested under 50 ohm impedance, impedance mismatch may lead to excessive current, please provide at least 1.5A output power supply when using 12V power supply
	Receive current (mA)	38	43	48	Supply voltage：12V DC
	Sleep current (uA)	-	2	-	Software shutdow
Maximum transmit power (dBm)		36	37	38	-
Receiving sensitivity (dBm)		-126	-128	-130	Air rate 2.4 kbps
Air rate (bps)		0.3k	2.4k	19.2k	User Programmable Control
Reference distance		25km			Clear sky, antenna gain 5dBi, antenna height 2.5 meters
Launch length		58 Byte			The maximum capacity of a single package will be automatically divided into packages after exceeding
Cache capacity		512 Byte			-
Modulation		LoRa			A new generation of LoRa modulation technology
Communication Interface		UART serial port			TTL level
Encapsulation		SMD			SMD
Interface		2.54mm			-
Dimensions		50*30.9mm			-
RF interface		IPEX/stamp hole			The characteristic impedance is about 50 ohms

Main parameters	Performance		Remark
Main parameters	Minimum value	Maximum value	Remark
Power supply voltage（V）	4.5	15	Exceeding 15V may permanently burn the module
Blocking power（dBm）	-	10	High-power radio frequency do not communicate at close range
Working temperature（°C)	-40	85	Industrial grade

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