Chengdu Ebyte Electronic Technology Co.,Ltd.
E78-400M22S1C User Manual
Copyright ©2012–2021，Chengdu Ebyte Electronic Technology Co.,Ltd.
4
Building automation solutions;
Wireless industrial-grade remote control;
Health care products;
Advanced Meter Reading Architecture(AMI).
2 Specification and parameter
2.1 Specification
Model No.
Frequency
Transmit
power
Reference distance(stamp
hole/IPEX)
Package
Antenna
E78-400M22S1C
410-490MHz
21dBm
5.5Km(Lora 1kbps)
SMD
Stamp/IPEX
Model No.
IC
Size
Net Weight
Operation
Temperature
Operation
Humidity
Storage
Temperature
E78-400M22S1C
ASR6601S
E
26* 16*2.8 mm
1.9g
-40 ~ 85℃
10% ~ 90%
-40 ~ 125°C
2.2 Limit parameter
Main parameter
Performance
Remark
Min
Max
Power supply
（
V
）
-0.3
3.9
≥3.9 V ensures output power
Digital input level voltage
（
V
）
-0.3
3.9
≥3.9 V ensures output power
Rf input power
（
dBm
）
-
+10
Chances of burn is slim when modules are used in
short distance
Temperature
（
℃
）
Storage
：
-55~+125
Operating
：
-40~+85
Industrial grade
Humidity
（
%
）
Storage
：
5~95
Operating
：
10~95
Without condensation
