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CSR selects Anritsu EDR Test Set for verification of Bluetooth v2.0 EDR chips

02-05-2006

Cambridge, UK - May 3, 2006 - CSR plc (LSE: CSR.L) announced today that it has chosen the new Anritsu MT8852B EDR test set for integration into its "Bluetooth Characterisation Systems" for automated testing of standard rate and EDR Bluetooth devices. The MT8852B is the first Bluetooth EDR test set to fully implement v2.0 standard test mode signalling. This will speed up the test and verification of new designs from CSR. Measurements made with the MT8852B are over 10 times faster than with previous EDR tests, further accelerating time to market for devices using CSR's market leading chips.

Close collaboration between engineers from both companies has ensured seamless interoperation between the MT8852B and CSR's proven BlueCore4 silicon. Measurements supported include EDR relative power, EDR frequency stability and modulation (DEVM) and EDR sensitivity. With the selection of the MT8852B, CSR's customers are able to make radio layer measurements in an automated fashion using test mode signalling.

Angus Robinson, Marketing Manager for Anritsu, commented, "Being market leaders in Bluetooth testing, Anritsu is delighted that CSR has selected the MT8852B for its characterisation systems. The proven interoperability with BlueCore4 technology means manufacturers of products using CSR's silicon have access to a test solution that will greatly increase their production efficiency".

To facilitate integration of the MT8852B into high volume manufacturing lines, Anritsu will supply it with BlueTest2 production test software. BlueTest2 creates and executes automated test scripts enabling a complete production test for standard and EDR rates to be completed in less than 10 seconds.

Device manufacturers are increasingly choosing Bluetooth+EDR chips for new product designs to benefit from the higher data rates offered. This has resulted in the need to update test systems to ensure product quality is maintained. With the introduction of the Anritsu MT8852B, manufacturers can now develop test systems that meet their needs for speed and quality.

John Ferguson, Head of Characterisation for CSR commented, "Anritsu has produced a fast and cost-effective test solution for CSR's BlueCore4 technology incorporating EDR. The test solution is the first of its kind and will allow a much faster test verification process. CSR is constantly trying to improve its design process with Anritsu's partnership providing a valuable contribution to CSR based products getting to market faster."

About CSR
CSR plc is the leading global provider of Bluetooth technology and has developed expertise in other single-chip wireless communication standards such as Wi-Fi (IEEE802.11). CSR offers developed hardware/software solutions for Bluetooth based around BlueCore, a fully integrated 2.4 GHz radio, baseband and microcontroller.

CSR has now launched its fifth generation BlueCore suite and is in volume manufacture of its fourth generation BlueCore devices. BlueCore4 supports the Enhanced Data Rate (EDR) standard, which was ratified at the end of 2004. BlueCore4 remains the only EDR silicon to be shipping in volume today. In November 2004 CSR launched UniFi, the first single chip 802.11a/b/g embedded solution specifically targeting the mobile phone and consumer electronics markets.

BlueCore features in over 50 per cent of all Bluetooth devices shipped and over 60 per cent of all qualified Bluetooth enabled products and modules listed on the Bluetooth website with industry leaders including Nokia, Dell, Panasonic, Sharp, Motorola, IBM, Apple, NEC, Toshiba, RIM and Sony using BlueCore devices in their range of Bluetooth products.

In March 2005, CSR acquired Clarity Technologies Inc., for its Clear Voice Capture (CVC) technology that enhances the audio performance of any voice-based product or system. Applications for CVC include wireless headsets, handsets and automotive hands free systems.

In August 2005, CSR completed the acquisition of UbiNetics' software business, providing a strong R&D team to accelerate its existing software development in Bluetooth, Wi-Fi and UWB. The UbiNetics team gives CSR the capacity to extend its offering to mobile handset customers. CSR has its headquarters and offices in Cambridge, UK, and offices in Japan, Korea, Taiwan, China, India, France, Denmark, Sweden and both Texas and Detroit in the USA.

More information can be found at www.csr.com and the partner web site www.btdesigner.com More information about Bluetooth technology can be found on the SIG web site at www.bluetooth.com

About Anritsu and NetTest
Anritsu Corporation (www.anritsu.com) has been a global provider of innovative communications solutions for more than 110 years. With offices throughout the world, Anritsu with the recent acquisition of NetTest (www.nettest.com) provides solutions for existing and next-generation wired and wireless communication systems and operators.

The company's measurement solutions include wireless, optical, microwave/RF, and digital instruments, operations support systems and solutions that can be used during R&D, manufacturing, installation, and maintenance. Anritsu also provides precision microwave/RF components, optical devices, and high-speed devices for design into communication products and systems. The recently combined companies sell in over 90 countries worldwide and approximately. 4,000 employees.

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