HSDPA modules offer 3.6Mbit/s data speeds

The Siemens HC15 and HC25 from TDC allow data to be transmitted and received at up to three times the speed of ISDN.

TDC has released two compact, high-speed downlink packet access (HSDPA) modules, offering faster transmission of data with speeds up to 3.6Mbit/s.

They provide high-bandwidth data communication services such as broadband internet, email access, and video and music streaming on portable devices.

The Siemens HC15 and HC25 from TDC allow data to be transmitted and received at up to three times the speed of ISDN.

Both modules support voice, fax, SMS and circuit switched data (CSD), enabling them to be used as a modem for PDAs, laptops and other devices via infra-red ports or data cables.

The HC15 is a single-band 3G device supporting 2100MHz and dual-band operation on 900/1800MHz for EDGE/GPRS and GSM.

The HC25 is configured for worldwide use and offers 3G on 850/1900/2100MHz and EDGE/GPRS/GSM on 850/900/1800/1900MHz.

The HC25 also incorporates a GPS receiver to fulfill the requirements of US directive E911.

The HC15 and HC25 modules measure 34 x 50 x 4.5mm and weigh less than 10g, making them easy to integrate into compact designs.

The modules interface with the host applications via a USB 2.0 slave interface.

USB drivers for Windows XP are included as well as Microsoft RIL/NDIS drivers for Windows Mobile 5 and its successor.

The normal operation temperature range is -20 to +65C.

Intelligent power-saving modes are included to minimise current consumption.

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