Hardware Design V1.0
Table Of Contents
- About the Document
- Contents
- Table Index
- Figure Index
- 1 Introduction
- 2 Product Concept
- 3 Application Functions
- 4 Antenna Interface
- 5 Electrical, Reliability and Radio Characteristics
- 6 Mechanical Dimensions
- 7 Storage and Manufacturing
- 8 Appendix A Reference
NB-IoT Module Series
BC95 Hardware Design
BC95_Hardware_Design Confidential / Released 27 / 45
suppress EMI spurious transmission and enhance ESD protection. Please note that the USIM
peripheral circuit should be close to the USIM card connector.
Place the RF bypass capacitors (33pF) close to the USIM card on all signals lines to improve EMI
suppression.
3.11. Behaviors of the RI*
Table 13: Behaviors of the RI
RI
Idle
URC or
SMS is received
HIGH
LOW
120ms
Figure 14: Behaviors of RI When the URC or SMS is Received
“*” means this function is under development.
3.12. Network Status Indication*
The NETLIGHT signal can be used to drive a network status indicator LED. The working state of this pin
is listed in the following table.
State
RI Response
Standby
HIGH
SMS
When a new SMS comes, the RI changes to LOW and holds low level for about
120ms, then changes to HIGH.
URC
Certain URCs can trigger 120ms low level on RI.
NOTE
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