Esd Protection For The Antenna Interface; Rf Specifications Of The Antenna Interface - Huawei MG301 Hardware Manual

HUAWEI MG301 B2B Module
HardwareGuide

4.4 ESD Protection for the Antenna Interface

In practical application, pay attention to the ESD protection for the antenna interface
of the MG301 B2B module. Incorrect operation may result in permanent damage to
the RF components.
Figure 4-4 shows the ESD protection circuit recommended for the antenna interface.
Figure 4-4 ESD protection circuit recommended for the antenna interface
HUAWEI Module
(Modem)
It is recommended that you pay attention to the junction capacitance of the TVS
diode when you choose the model of the TVS diode. Ensure that the junction
capacitance of the TVS diode is lower than 1 pF.

4.5 RF Specifications of the Antenna Interface

Table 4-2 lists the RF specifications of the antenna interface in the MG301 B2B module.
Table 4-2 RF specifications of the antenna interface in the MG301 B2B module
Specification
Uplink frequency range
(Mobile station to base transceiver
station)
RF switch
GSM 850
E-GSM 900
GSM 1800
Huawei Proprietary and Confidential Copyright ©
Huawei Technologies Co., Ltd
Issue 06 (2013-06-13)
Minimum Typical Maximum
Value Value Value
824 849
880 915
1710 1785
Antenna Interface
Unit
MHz
MHz
MHz
32