Chengdu Ebyte Electronic Technology Co., Ltd.
E22-xxxT22S series product user manual
Copyright©2012–2024
, Chengdu Ebyte Electronic Technology Co., Ltd.
6
powering on again;
Efficient watchdog design, once an exception occurs, the module will automatically restart and continue to work according
to the previous parameter settings;
E22-400T22S and E22-900T22S support data transmission rates of 2.4K~62.5K bps ;
E22-230T22S supports data transmission rate of 2.4K
～
15.6Kbps ;
Supports 2. 7 ~ 5.5V power supply, and any power supply greater than 5 V can ensure the best performance;
Industrial grade standard design, supports long-term use at -40~+85℃;
The maximum module power can reach 160mW (22dBm), and the transmission is farther and more stable.
1.3 Application scenarios
Home security alarm and remote keyless entry;
Smart home and industrial sensors, etc.;
Wireless alarm security system ;
Building automation solutions;
Wireless industrial grade remote control;
healthcare products;
Advanced Meter Infrastructure (AMI ) .
2. Specifications
2.1 RF parameters
RF
parameters
unit
model
Remark
E22-230T22SV2.2
E22-400T22SV2.2
E22-900T22SV2.2
Maximum
transmit power
dBm
22.0±1
22.0±1
22.0±1
-
Receive
sensitivity
dBm
-138
-147
-147
Air data rate is 2.4 kbps
reference
distance
M
5K
5K
5K
Test condition
：
clear and open
area, antenna gain: 5dBi
，
antenna placement height:
2.5m
，
air data rate: 2.4kbps
Working
frequency
MHz
220.125
～
236.125MHz
410.125
～
493.125MHz
850.125
～
930.125MHz
Support ISM frequency band
Air speed
bps
2.4K
～
15.6K
2.4K
～
62.5K
2.4K
～
62.5K
Controlled by programming
blocking
power
dBm
10
10
10
Less chance of burning when
used at close range
TX packet
length
Btye
240
240
240
Subpackage 32/64/128/240
bytes can be set to be sent
through commands
