Chengdu Ebyte Electronic Technology Co,;Ltd
E32-433T33S user manual
Copyright ©2012–2022
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
4
2. Specification and parameter
2.1 Limit parameter
Main parameter
Performance
Notes
Min.
Max.
Power supply
（
V
）
0
5.5
Voltage over 5.5V will cause permanent
damage to module
Blocking power
（
dBm
）
-
10
Chances of burn is slim when modules
are used in short distance
Operating temperature
（
℃
）
-40
85
2.2 Operating parameter
Main parameter
Performance
Remark
Min
Typ.
Max.
Operating voltage
（
V
）
3.3
5.0
5.5
≥5.0 V ensures output power
Communication level
（
V
）
3.3
For 5V TTL, it may be at risk of
burning down
Operating temperature
（
℃
）
-40
-
85
Industrial design
Operating frequency
（
MHz
）
410
-
441
Support ISM band
Power
consumpti
on
Transmitting current [mA]
850
1000
1200
Instant power consumption
Receiving current [mA]
11
13
15
Turn-off current [μA]
2
Software is shut down
Max Tx power
（
dBm
）
32
33
34
Receiving sensitivity
（
dBm
）
-145
-147
-148
Air data rate is 2.4kbps
Air data rate
（
bps
）
0.3k
2.4k
19.2k
Controlled via user’s programming
Main parameter
Description
remark
Distance for reference
16km
Test condition
：
clear and open area, antenna gain: 5dBi
，
antenna height: 2.5m
，
air data rate: 2.4kbps
TX length
58 Byte
Maximum capacity of single package
Buffer
512 Byte
Modulation
LoRa™
Communication interface
TTL
@3.3V
Package
SMD
Connector
2.54mm
Size
25*40.5mm
Antenna
IPEX/Stamp hole
50 ohm impedance
