1. GN Netcom A/S Lautrupbjerg 7 2750 Ballerup Denmark www.jabra.com Jabra GO™ 6400 series Technical specifications CC&O Marketing June 2009

2. TRANSMIT Microphone:- 2 microphone Noise Blackout™ Frequency range:- 150 Hz – 6,800 Hz Sensitivity:- 40dB V/Pa Distortion:- <2% @15dBPa Current consumption: - <300uA Operating voltage: - 1-10Vdc Output Impedance: - app. 5kΩ Jabra GO 6400 series Microphone details TypeECM Electret Capacitor Microphone DimensionsØ4.0 x 1.5 mm DirectivityOmni

3. Jabra GO 6400 series RECEIVE Speaker: - Dynamic receiver Input impedance: - 16 Ω Frequency response: - 150 – 6,800 Hz Sensitivity: - 3dB Pa @ 60mV Maximum output: - 118 dBSPL(A) Speaker details TypeMicro dynamic Mylar Dimension14.8 x 5.2 mm

4. GENERAL Operating temperature range: 10˚C to +55˚C Battery charging temperature: 0˚C to +40˚ Operating humidity: Up to 98% humidity with no loss of function Storage temperature: +60°C (non condensing) Directivity: Omni Connectivity: Bluetooth ® Jabra GO 6400 series Weight 18 g

5. QUALITY STANDARDS Headband/neckband flexing test:10.000 Headset - base insertion test:20.000 Headset Multi functional button test:50.000 Test of tabs on the screen hub:100.000 Headset - travel charger insertion test:5.000 WEIGHT AND DIMENSIONS Jabra GO 6430 Weight of unit box (incl. content):328 g. Unit box dimensions:68x184x140 Weight of master box (24 units):ca. 9 kg Master box dimensions: W386xL582xH238 Jabra GO 6400 series Jabra GO 6470 Weight of unit box (incl. content): 875 g Unit box dimensions:62x376x187 Weight of master box (15 units):14.2 kg Master box dimensions:W389xL584xH338