During transmission.
Highlight Accessories to activate.
When activated.

31.5.02 06-S46 Body.fm i 37 Eagle Am Engl, A31008-H4500-A1-4-7619

Setup83

GPRS info

Displays information on your GPRS connectivity status.

GPRS

APN:

settings

Enter the address of your

 

service provider.

 

Login name:

 

Enter login name.

 

Password:

 

Enter password (displayed

 

as a series of asterisks)

 

CSD settings Dial-up no.:

(Circuit

Enter ISP number.

Switch Data)

Call type:

 

Select ISDN or Analog.

 

Login name:

 

Enter login name.

 

Password:

 

Enter password (displayed

 

as a series of asterisks).

§Menu§ Setup Connectivity select a function:

Serial Conn.

12 inches) and send the information. Note: All accessories must be removed from the phone in order to activate IrDA.

Select Highlight IrDA to activate.

DisplayXindicator (in standby mode):

Y

Accessories

Select

WAP browser

Select the desired profile from the list (p. 48).

Fax/data mode

© Z

See page 87.

 

Authentication

©

Activate or deactivate encrypted WAP dial-up.

Time/Date

You will be prompted to choose either IrDA or Accessories for your

phone’s serial connection.

IrDA (infrared data port)

To send information via infrared, the phone must be used with other devices that also have an integrated infrared port. Align the infrared windows (the maximum distance is

§Menu§ Setup

Time/Date

The clock must be set correctly the first time you turn the phone on. (See page 63 for details.)

Page 88
Image 88
Siemens TDMA 800, GSM 900, GSM 1900, TDMA 1900 manual Setup83, Gprs info, Serial Conn, WAP browser

GSM 900, GSM 1900, TDMA 1900, TDMA 800 specifications

Siemens is a renowned telecommunications equipment manufacturer known for its innovative solutions in mobile communication. Among its notable contributions are the TDMA 800, TDMA 1900, GSM 900, and GSM 1900 systems. These technologies have played a significant role in shaping mobile telephony, particularly during the late 20th century.

TDMA, or Time Division Multiple Access, is a digital transmission protocol that allows multiple users to share the same frequency channel by dividing the signal into time slots. The Siemens TDMA 800 operates in the 800 MHz frequency band, which is ideal for regional mobile communication. Its main features include improved call quality, greater capacity, and effective handover capabilities. This system was particularly popular in the United States, where it formed the backbone of early digital cellular networks.

On the other hand, the TDMA 1900 operates in the 1900 MHz band, catering to urban areas with higher population densities. This system further enhances voice clarity and offers faster data transmission speeds. Its key characteristics include support for features such as call waiting, caller ID, and enhanced voice privacy, making it suitable for modern telecommunication needs.

GSM, or Global System for Mobile Communications, is another critical technology developed by Siemens. The GSM 900 operates at 900 MHz and is one of the most widely adopted mobile standards globally. Its contributions to the communication landscape include superior frequency reuse, allowing for a greater number of simultaneous calls. The GSM 900 also supports various services beyond voice calls, including SMS (Short Message Service) and basic data transmission.

Meanwhile, GSM 1900, which functions in the 1900 MHz frequency band, is predominantly used in North America. This technology shares many features with GSM 900, but it accommodates a larger number of channels per frequency unit due to its higher frequency. The GSM 1900 system has been critical in facilitating the growth of mobile data services, providing a solid foundation for the evolution of mobile internet access.

Overall, Siemens' TDMA and GSM technologies have significantly influenced the development of mobile telecommunications. With features focused on capacity, flexibility, and quality, these systems established the groundwork for the advanced mobile networks we rely on today. Their legacy continues to be seen in the current generation of wireless technologies, highlighting the importance of innovation in the telecommunications industry.