Grandstream WP820 2-Line Carrier Grade IP Phone
Grandstream WP820 2-Line Description:
Brand: Grandstream Product Code: WP820 Dual-band WiFi with efficient antenna design and advanced roaming support Bluetooth for syncing headsets and mobile devices (contacts and call transferring) HD voice & dual MIC design with AEC and Noise Shield Technology Rechargeable 1500mAh battery, 7.5 hour talk time, 150-hour standbyJabra BIZ 1500 DUO, Direct USB Call Center Headset
Jabra BIZ 1500 DUO, QD, Direct USB Call Center Headset
Jabra BIZ 1500 Mono, Direct USB Call Center Headset
Jabra BIZ 1500 Mono Specifications:
- User sound protection: PeakStopâ„¢ 118 dBA SPL (RMS)
- Speaker size: Ø 32 x 8mm (depending on model, some have slightly different dimensions)
- Speaker max input power: 30mW
- Speaker sensitivity: 102dB±3dB/1mW @ 1000Hz (varies slightly depending on model)
- Speaker impedance: 32±15%/1000Hz/1.0V
- Speaker frequency range: 20Hz-6.8kHz
- Microphone type: Noise-cancelling, Uni-Directional
- Microphone sensitivity: -35 to -31 dB@f=1kHz,. Pin=1Pa, 0dB=1V/Pa
- Microphone frequency range: 1-5kHz