Rf Antenna Interface; Reserved Interface; Nc Interface - Huawei MC509 Series Hardware Manual

HUAWEI MC509 Series CDMA LGA Module
Hardware Guide

3.11 RF Antenna Interface

MC509 module provides an RF ANT PAD for connecting an external antenna.
Through the MAIN_ANT pad, the antenna interface is routed to the coaxial connector
on the DTE (impedance 50 Ω).The external antenna is connected to the module
through the coaxial connector.
A match for the antenna must be reserved at the antenna port.
Table 3-11 Signals on RF Antenna interface
Pin No.
107
111
115

3.12 Reserved Interface

The module provides 4 reserved pins. All of reserved pins cannot be used by the
customer.
Table 3-12 List of reserved pins
Pin No.
15, 28, 29, 43

3.13 NC Interface

The LGA module has 46 NC pins. All the NC interfaces should not be connected.
Please keep this pin open.
Table 3-13 List of not connected pins
Pin No.
1–4, 9, 10, 16–27, 33, 35, 37,
47, 60–70, 82–84, 92, 94, 95,
102–104, 117–120
Issue 02 (2013-05-06)
Pin Name
MAIN_ANT
GPS_ANT
AUX_ANT
Pin Name
Reserved
Pin Name
NC
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Copyright © Huawei Technologies Co., Ltd.
Description of the Application Interfaces
I/O Description
- RF main antenna pad
- RF GPS antenna pad
RF divert antenna pad
I/O
-
I/O Description
- Not connected, please keep
this pin open.
Description
Reserved
44