Rf Antenna Interface; Nc Pins - Huawei MU509 Series Hardware Manual

HUAWEI MU509 Series HSDPA LGA Module
Hardware Guide
Pin No. Pin Name
100

3.11 RF Antenna Interface

The MU509 module provides an RF antenna pad for connecting an external antenna.
Through the MAIN_ANT pad, the antenna interface is routed to the coaxial connector
on the DTE (for impedance 50 Ω).The external antenna is connected to the module
through the coaxial connector.
A matching location for the antenna must be reserved at the antenna port.
Table 3-15 Signals on RF Antenna pad
Pin No.
107

3.12 NC Pins

The LGA module have 47 NC pins, All of NC interface should not be connected.
Please keep these pins open.
Table 3-16 Signals on NC interface
Pin No.
1–4, 9, 10, 16–27, 33, 37, 47, 60–70,
82–84, 92, 94, 95, 102–104, 111,
115, 117–120
Issue 09 (2014-03-06)
I/O
RESIN_N I
Pin Name
MAIN_ANT
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
Description
Reset module.
I/O Description
- RF main antenna pad
Pin Name I/O
NC -
DC Characteristics (V)
Min. Typ. Max.
–0.3 1.8 2.1
Description
Not connected, please
keep this pin open.
48