User Manual
Table Of Contents
- Disclaimer
- 1.Overview
- 2.Specification and parameter
- 3 Size and pin definition
- 4. Connect to MCU
- 5 Function description
- 6 Operating mode
- 7 Register read and write control
- 8 Repeater networking mode
- 9 Configuration instructions on computer
- 10 Hardware design
- 11 FAQ
- 12 Production guidance
- 13 E22 series
- 14 Antenna recommendation
- 15 Package for batch order
- Revision history
- About us
Chengdu Ebyte Electronic Technology Co., Ltd. E22-230T22S User manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co.,Ltd.
7
2.2 Operating parameter
Electric
parameter
Unit
Model No.
Remarks
E22-230T22S
E22-230T30S
E22-230T33S
Operating level
V
2.3~5.5V
3.3~5.5V
3.3~5.5V
≥3.3V ensures output power
Communication
level
V
3.3
For 5V TTL, it may be at risk
of burning down
TX current
mA
122
530
990
Instant power consumption
RX current
mA
13
14
15
Sleep current
uA
2
Software is shut down
Operating
temperature
℃
-40 ~ +85
Industrial design
2.3 Hardware parameter
Main
parameter
E22-230T22S
E22-230T30S
E22-230T33S
Remarks
Size
16*26 mm
25*40.5mm
25*40.5mm
TX length
240 Byte
Sub-packing 32/64/128/240 byte to send via
command
Buffer
1000 Byte
Modulation
LoRa
New generation LoRa
Communica
tion
interface
UART
TTL
Package
SMD，stamp hole, 1.27/2.54mm pitch
Pitch
1.27mm
1.27mm
2.54mm
PA+LNA
×
√
√
Built-in PA+LNA
Antenna
IPEX/Stamp hole
50 ohm impedance