User Manual

Chengdu Ebyte Electronic Technology Co., Ltd. E18-2G4U04B User Manual
Copyright ©2012–2018，Chengdu Ebyte Electronic Technology Co., Ltd.
2
2. Specification
2.1 Limit parameter
Main parameter
Performance
Remark
Min.
Max.
USB supply voltage（V）
0
5.5
Voltage over 5.5V will cause
permanent damage to module
PCB power supply voltage（V）
0
3.6
Voltage over 3.6V will cause
permanent damage to module
Blocking power（dBm）
-
10
Chances of being burn down is
slim when used in short
distance
Operating temperature
（
℃
）
-40
85
2.2 Operating parameter
Main parameter
Performance
Remarks
Min.
Typ.
Max.
Operating voltage（V）
2.7
5
5.5
powered by USB
Operating voltage（V）
2.0
3.3
3.6
powered by pcb power supply
hole
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
）
2.394
-
2.507
Support ISM band
Power
consum
ption
TX current
（
mA
）
31.5
Instant power consumption
RX current（mA）
26
powered by USB
Sleep current （μA）
Max Tx power（dBm）
3.6
4.0
4.5
Receiving sensitivity
（
dBm
）
-95.5
-96.4
-97.5
air data rate is 250kbps