User Manual
Table Of Contents
- Document History
- Introduction
- Product Concept
- GSM Application Interface
- GSM/GPRS Operating Modes
- Power Supply
- Power Up / Down Scenarios
- Automatic GPRS Multislot Class Change
- Charging Control of the GSM Part
- Power Saving
- Summary of State Transitions (Except SLEEP Mode)
- RTC Backup for GSM Part of XT55/56
- Serial Interfaces of the XT55/56 GSM Part
- Audio Interfaces
- SIM Interface
- Control Signals
- GPS Application Interface
- GSM and GPS Antenna Interfaces
- Electrical, Reliability and Radio Characteristics
- Mechanics
- Reference Approval
- Example Applications
- List of Parts and Accessories
XT55/56 Hardware Interface Description
Confidential / Preliminary
s
XT55/56_hd_v02.96 Page 111 of 125 18.08.2005
7 Mechanics
The following chapters describe the mechanical dimensions of XT55/56 and give
recommendations for integrating XT55/56 into the host application.
7.1 Mechanical Dimensions of XT55/56
Figure 49 shows the top view of XT55/56. For further details see Figure 51.
Size: 35.0 ± 0.15mm x 53.0 ± 0.15mm x 5.1 ± 0.2mm
Weight: 11g
Figure 49: XT55/56 – top view
Figure 50 shows the bottom view of XT55/56 and marks the test points and pads for GSM
antenna connection.
Figure 50: XT55/56 bottom view
Antenna ground
Antenna pad
TP GSM_BATT+
TP Ground
GSM antenna
connector
GPS antenna
connector