Chengdu Ebyte Electronic Technology Co.,Ltd.
E280-2G4T12S User Manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
5
Industrial-grade standard design, supporting long-term use at -40
～
+85℃;
Dual antennas are optional (PCB/IPEX), which is convenient for users to develop and integrate.
1.3 Application Scenario
Smart home and industrial sensors, etc.;
Security system, positioning system;
Positioning of agriculture and animal husbandry;
Wireless remote control, UAV;
Wireless game remote control;
Medical and healthcare products;
Wireless voice, wireless headset;
Application in the automotive industry.
2 Specifications
2.1 Limit parameters
Main Parameters
Performance- Minimum
Performance- Max
Remark
Power supply voltage
(V)
0
5.5
Over 5.5V will permanently burn the module
Blocking power
(dBm)
-
10
It is less likely to burn when used at close range
Working temperature
(℃)
-40
+85
Industrial grade
2.2 Working parameters
Main Parameters
Performance
Remark
Min
Type
Max
Working voltage (V)
2.3
5.0
5.5
≥5.0V can guarantee output power
Communication level (V)
3.3
Using 5V TTL is risky to burn
Working temperature (℃)
-40
-
+85
Industrial design
Working frequency (MHz)
2400
-
2500
Support ISM frequency band
Power
consumption
Emission current (mA)
46
Instantaneous power consumption
Receiving current (mA)
20
Sleep current (μA)
8
Software shutdown
Maximum transmit power (dBm)
11.5
12.0
13.5
Receiving sensitivity (dBm)
-130
-132
-134
Air rate is 1kbps
