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Chengdu Ebyte Electronic Technology Co.,Ltd
8 Models:
Model
Chip
E31-433T17S3
AX5243
E31-433T30S
AX5243
E31-400M17S
AX5243
9 Antenna Guidance
9.1 Antenna Recommendation
Antenna lays an important role in the communication process. Inferior antennas often have a great negative impact on the
communication system. Therefore, we recommend below antennas which are compliant with our wireless modules and have excellent
performance and reasonable price.
Model
TX2400-PCB-5010
FPC antenna
TX2400-JZ-3
Plastic Antenna
TX2400-JZ-5
Plastic Antenna
TX2400-JW-5
Plastic Antenna
TX2400-JK-11
Plastic Antenna
TX2400-JKD-20
Plastic Antenna
TX2400-XPL-150
Sucker Antenna
9.2 Antenna Interface Choosing
The module has two antenna interface modes: IPX and stamp hole. When using the IPEX interface, it is recommended not to connect
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Freq. Range
Hz
425-450.5MHz
425-450.5MHz
400-525MHz
Freq.
Gain
Type
Hz
dBi
2.4G
2.0
2.4G
2.0
2.4G
2.0
2.4G
2.0
2.4G
2.5
2.4G
3.0
2.4G
3.5
that the stamp hole interface.
Tested
Power
Communicating
Range
dBm
km
17
3
30
8
17
3
Feeder
Size
Length
Interface
mm
cm
10x50
-
30
-
50
-
50
-
110
-
200
-
150
150
E31-400M17S User Manual
Size
Encapsulation
mm
26*16
SMD
40.5*25
SMD
20*14
SMD
Features
IPEX
Flexible FPC soft antenna
SMA-J
Ultra short straight, omnidirectional antenna
SMA-J
Ultra short straight, omnidirectional antenna
SMA-J
Fixed bending, omnidirectional antenna
SMA-J
Foldable, omnidirectional antenna
SMA-J
Foldable, omnidirectional antenna
SMA-J
Small suction antenna, cost-effective
Communicating
Interface
TTL
TTL
SPI
10
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