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lora wirelss module

[IC]:LLCC68

[Frequency]:850~930MHz

[Power]:

[Distance]:7km

[Interface]: SPI

[Weight]:1.5±0.1g

[Introduction]:E220-900m22s is an small module, self-developed based on the new generation of LoRa TM RF chip llcc68, produced by Semtech company. It is suitable for 868mhz and 915MHz LoRa TM wireless module and uses industrial 32mhz crystal oscillator

1
Pin No. Item Direction Description
1 GND - Ground, connect to power reference ground
2 GND - Ground, connect to power reference ground
3 GND - Ground, connect to power reference ground
4 GND - Ground, connect to power reference ground
5 DIO3 - Configurable universal IO port (see llcc68 manual for details)
6 RXEN input RF switch receive control pin, connect external MCU IO, high level effective
7 TXEN input RF switch emission control pin, connected to external MCU IO or dio2, high level effective
8 DIO2 Input / output Configurable universal IO port (see llcc68 manual for details)
9 VCC - Power supply, range 1.8V ~ 3.7V (it is recommended to add ceramic filter capacitor externally)
10 GND - Ground, connect to power reference ground
11 GND - Ground, connect to power reference ground
12 GND - Ground, connect to power reference ground
13 DIO1 Input / output Configurable universal IO port (see llcc68 manual for details)
14 BUSY output For status indication (see llcc68 manual for details)
15 NRST input Chip reset trigger input pin, low level effective
16 MISO output SPI data output pin
17 MOSI input SPI data input pin
18 SCK input SPI clock input pin
19 NSS input The module chip selection pin is used to start a SPI communication
20 GND - Ground, connect to power reference ground
21 ANT - RF interface, stamp hole
22 GND - Ground, connect to power reference ground