E220-900MM22S_LLCC68_LoRa_Module

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E220-900MM22S Minimum size LLCC68 22dBm lora transmitter receiver module lora module

[Chip solution]：LLCC68

[Frequency]：850～930MHz

[Transmit power]：22dBm

[Communication distance]：6km

[Size]：10*10*2.5mm

[Product weight]：0.5±0.02g

[Introduction]：E220-900MM22S is an ultra-small volume independently developed based on a new generation of LoRaTM RF chip LLCC68 produced by Semtech, and is suitable for 868MHz, 915MHz SMD LoRaTM wireless modules, using industrial grade 32MHz crystal oscillator.

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Pin No.	Item	Direction	Description
1	VCC	-	Power supply, range 1.8V~3.7V (recommended to add external ceramic filter capacitor)
2	GND	-	Ground wire, connected to the power reference ground
3	NRST	Input	NRST Input Chip reset trigger input pin, active low
4	NC	-	-
5	NC	-	-
6	ANT	-	RF interface, stamp hole
7	GND	-	Ground wire, connected to the power reference ground
8	NC	-	-
9	TXEN	Input	RF switch launch control pin, connected to external microcontroller IO or DIO2, active high
10	RXEN	Input	RF switch receiving control pin, connected to external microcontroller IO, active high
11	BUSY	Output	Used for status indication (see LLCC68 manual for details)
12	MISO	Output	SPI data output pin
13	MOSI	Input	SPI data input pin
14	NSS	Input	Module chip select pin for starting an SPI communication
15	SCK	Input	SPI clock input pin
16	GND	-	Ground wire, connected to the power reference ground
17	NC	-	-
18	DIO3	Input/Output	Configurable general-purpose IO port (see LLCC68 manual for details)
19	DIO2	Input/Output	Configurable general-purpose IO port (see LLCC68 manual for details)
20	DIO1	Input/Output	Configurable general-purpose IO port (see LLCC68 manual for details)

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