Ebyte E19-433M20S2, User Manual

Page: 5 / 12

Chengdu Ebyte Electronic Technology Co., Ltd. E19-433M20S2 User Manual
Copyright ©2012–2020
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
4
Air data rate （ bps ）
1.2 - 300 Kbps FSK
0.018 - 37.5 Kbps LoraTM
Main parameter Description Remark
Distance for reference 5000m
Test condition ： clear and open area, antenna gain: 5dBi ，
antenna height: 2.5m ， air data rate: 0.3kbps
FIFO 256Byte Max length transmitted each time
Crystal frequency 32MHz
Modulation LoRa
TM
(recommended) FSK/GFSK/MSK/GMSK/OOK
Package SMD
Connector 1.27mm
Communication interface SPI 0-10Mbps
Size 15*15 mm
Antenna Stamp hole 50 ohm impedance
3.Size and pin definition
1
、
2
、
3
、
4
、
11
、
12
、
19
、
20
、
22
GND GND - Ground, connecting to power supply reference ground
5 DIO0 DIO0 Input / Output Configurable IO port （ Please find more on SX1278 datasheet ）
6 DIO1 DIO1 Input / Output
Configurable IO port
（
Please find more on SX1278 datasheet
）
7 DIO2 DIO2 Input / Output
Configurable IO port
（
Please find more on SX1278 datasheet
）
8 DIO3 DIO3 Input / Output
Configurable IO port （ Please find more on SX1278 datasheet ）