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eM300-8a V2R1 V200R001
Product Description
3.4 eLTE-IoT Module eM300-8a Antenna Design Guide
Users should connect antennas to eM300-8a's antenna pads through micro-strip line or other types of RF
trace and the trace impedance must be controlled in 50Ω.Reference Design recommends that the total
insert on loss between the antenna pads and antennas should meet the following requirements:
Trace loss
To facilitate the antenna tuning and certification test ,a RF connector and an antenna matching circuit
should be added.The following figure is the recommended circuit.
Issue V1.1 (2018-01-08)
Frequency
902MHz-928MHz
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
loss
＜0.5dB
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