HUAWEI ME909u-521 LTE LGA Module
Hardware Guide
Issue 05 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
11
[1]: When the ME909u-521 module works in the range of
–30°C to –20°C or +70°C to +75°C ,
NOT
all its RF performances comply with 3GPP specifications.
[2]: This is only used for debugging.
[3]: These interfaces are reserved for intelligent module in future.
2.3 Circuit Block Diagram
Figure 2-1 shows the circuit block diagram of the ME909u-521 module. The major
functional units of the ME909u-521 module contain the following parts:
Power Management
Baseband Controller
Multi-chip Package (MCP) Memory
RF Circuit
Figure 2-1
Circuit block diagram of the ME909u-521 module
