User's Manual
Table Of Contents
- Contents
- Figures
- Tables
- 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 / Released
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XT55/56_hd_v02.06a Page 118 of 125 17.12.2004
8.3 Compliance with FCC Rules and Regulations (XT56 only)
The FCC Equipment Authorization Certification for the XT56 reference application described
in Chapter 8.1 is listed under the
FCC identifier QIPXT56
IC: 267W-XT56
granted to Siemens AG.
The XT56 reference application registered under the above identifier is certified to be in
accordance with the following Rules and Regulations of the Federal Communications
Commission (FCC).
“This device contains GSM 1800MHz function that is not operational in U.S. Territories.
This device is to be used only for mobile and fixed applications. The antenna(s) used
for this transmitter must be installed to provide a separation distance of at least 20 cm
from all persons and must not be co-located or operating in conjunction with any other
antenna or transmitter. Users and installers must be provided with antenna installation
instructions and transmitter operating conditions for satisfying RF exposure com-
pliance. Antennas used for this OEM module must not exceed 7dBi gain (GSM 1900)
and 2.2dBi (GSM 850) for mobile and fixed operating configurations. This device is
approved as a module to be installed in other devices.
IMPORTANT: Manufacturers of mobile or fixed devices incorporating XT56 modules are
advised to
• clarify any regulatory questions,
• have their completed product tested,
• have product approved for FCC compliance, and
• include instructions according to above mentioned RF exposure statements in end
product user manual.