Ebyte E21-400G37S, User Manual

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Chengdu Ebyte Electronic Technology Co., Ltd E21-400G37 User Manual
Copyright ©2012–2019, hengdu Ebyte Electronic Technology Co., Ltd 11
Chapter 9 Antenna Guide
9.1 Antenna recommendation
Antennas play an important role in the communication process, and poor quality antennas often have a great impact on
the communication system. Therefore, we recommend some antennas to be used as antennas supporting our wireless
modules with excellent performance and reasonable price.
Model Type
Frequency Gain Size Feeder
Interface Feature
MHz dBi cm cm
TX433-XP-200 Sucker 400~470 4 1.9 200 SMA-J
Ultra short straight,
omnidirectional antenna
TX433-JKD-20 Rubber 400~470 4 2.0 / SMA-J
Bendable rubber rod,
omnidirectional antenna
TX868-XPL-100 Sucker 850~900 3.5 2.9 100 SMA-J
Small sucker antenna,
cost-effective
TX868-JKD-20 Rubber 850~900 3.0 2.0 / SMA-J
Bendable rubber rod,
omnidirectional antenna
TX915-XPL-100 Sucker 900~931 3.5 2.6 100 SMA-J
Small sucker antenna,
cost-effective
TX868-JKS-20 Rubber 900~931 3.0 2.1 / SMA-J
Bendable rubber rod,
omnidirectional antenna