E28-2G4T27SX_SX12**_SPI/SOC/UART_Module

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Ebyte Semtech SX1281 UART 7Km Gamme 2.4GHz 27dBm SMD 25*40.5mm CE RoHs FCC LoRa Transmetteur RF Module

[IC]：SX1281

[La fréquence]：2.4~2.5GHz

[Du pouvoir]：27dBm

[Distance]：7km

[Taille]：40.5*25mm

[Lester]：4.8±0.1g

[Poids du produit]：4.8±0.1g

[Introduction]：E28-2G4T27SX est un module UART basé sur SEMTECH SX1281, il adopte une transmission transparente et fonctionne sur la bande 2,4 GHz. Il adopte les modulations LoRa, FLRC et GFSK. Il dispose d'un emballage SMD avec des interfaces d'antenne IPX et PCB, compatible avec une tension de port IO de 3,3 V et 5 V.

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Pin No.	Pin Name	Pin Direction	Function
1	GND	Ground	Module ground wire
2	NC	-	This pin needs to be left floating (for future expansion)
3	NC	-	This pin needs to be left floating (for future expansion)
4	NC	-	This pin needs to be left floating (for future expansion)
5	NRST	Input	Module reset pin, low level reset
6	NC	-	This pin must remain unconnected (for future expansion)
7	NC	-	This pin needs to be left floating (the SWCLK pin is recommended to be brought out if possible, for easier future maintenance or firmware customization).
8	GND	Ground	Module ground wire
9	NC	-	This pin needs to be left floating (for programming pin SWDIO, it is recommended to bring it out if possible, for easier future maintenance or firmware customization).
10	GND	Ground	Module ground wire
11	VCC	-	Module power source positive reference. Voltage range: 2.5V ~ 5.5V DC
12	AUX	Output	Used to indicate the module operation status, when user wakes up the external MCU,it outputs low level during initialization after power on and self-check, can be configured as open-drain output or push-pull output, please refer to Parameter Configuration. (can be floated)
13	TXD	Output	TTL serial input, connected to external TXD output pin. Can be configured as open-drain or pull-up input, please refer to Parameter Configuration.
14	RXD	Output	TTL serial input, connected to external RXD output pin; It can be configured as drain open circuit or pull-up input. See parameter setting for details
15	M1	Input	The combination of M2, M1, and M0 determines the module's eight working modes.
16	M0	Input	The combination of M2, M1, and M0 determines the module's eight working modes.
17	M2	Input	The combination of M2, M1, and M0 determines the module's eight working modes.
18	GND	Ground	Module ground wire
19	ANT	-	Antenna interface (50 Ω characteristic impedance)
20	GND	Ground	Module ground wire
21	GND	Ground	Module ground wire
22	GND	Ground	Module ground wire

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