Announced in 2001, the Siemens S45 was

Siemens Siemens AG ( ) is a German multinational conglomerate corporation and the largest industrial manufacturing company in Europe headquartered in Munich with branch offices abroad. The principal divisions of the corporation are ''Industry'', '' ...

' first ever

GPRS General Packet Radio Service (GPRS) is a packet oriented mobile data standard on the 2G and 3G cellular communication network's global system for mobile communications (GSM). GPRS was established by European Telecommunications Standards Insti ...

mobile phone, allowing for faster data transmission and Internet access with the coupled

dual-band In telecommunications, a multi-band device (including (2) dual-band, (3) tri-band, (4) quad-band and (5) penta-band devices) is a communication device (especially a mobile phone A mobile phone, cellular phone, cell phone, cellphone, handp ...

GSM The Global System for Mobile Communications (GSM) is a standard developed by the European Telecommunications Standards Institute (ETSI) to describe the protocols for second-generation ( 2G) digital cellular networks used by mobile devices such as ...

-900 and

-1800 networks

The phone came with 360 KB of internal memory, which was considered generous at the time. This storage space was marketed as flexible because it could be manipulated like a hard disk via a supplied phone-to-serial cable, and the included software ensured that files could be transferred from the computer desktop to the phone in the drag-and-drop manner

Later, Siemens released the S45i, with added

E-mail client An email client, email reader or, more formally, message user agent (MUA) or mail user agent is a computer program used to access and manage a user's email. A web application which provides message management, composition, and reception functio ...

Features

Specific absorption rate Specific absorption rate (SAR) is a measure of the rate at which energy is absorbed per unit mass by a human body when exposed to a radio frequency (RF) electromagnetic field. It can also refer to absorption of other forms of energy by tissue, incl ...

(SAR) = 0,95 W/kg {{Siemens phones

S45 S45 may refer to: Aviation * Blériot-SPAD S.45, a French biplane airliner * SABCA S-45bis, a Belgian bomber * Short S.45, a British biplane trainer * Short S.45 Seaford, a British flying boat * Sikorsky S-45, a proposed American flying boat ...

Mobile phones introduced in 2001 Mobile phones with infrared transmitter