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Chengdu Ebyte Electronic Technology Co., Ltd.
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21
11.2 Reflow soldering curve
12 E220 series
13 Antenna recommendation
The antenna is an important role in the communication process. A good antenna can largely improve the
communication system. Therefore, we recommend some antennas for wireless modules with excellent performance and
reasonable price.
Model No.
Core IC
Frequency
Hz
Tx power
dBm
Distance
km
Package
Interface
E220-400T22S
LLCC68
433/470M
22
5
SMD
TTL
Model No.
Type
Frequency
Hz
Interface
Gain
dBi
Height
mm
Feeder
cm
Features
Rubber
Antenna
230M
SMA-J
2.5
110
-
Bendable rubber, omnidirectional
antenna
Rubber
Antenna
230M
SMA-J
3.0
210
-
Bendable rubber, omnidirectional
antenna
Suction
230M
SMA-J
4.0
350
200
Middle suction antenna,low loss