專為客戶提供專業電話系統和語音系統和電腦網絡及相關服務 conference telephone
	售賣大小型辦公室電話系統，專業電話安裝，電話系統維修保養，系統搬遷

Conference Phone

會議電話    US Robotiocs Conference Phone     

                                      Features : 

                                      Microphone Cover Area : 20 Sq. M
                                      Microphone Cover Angle : 360 degrees 
                                      No of Microphone : 3
                                      Last Number Redial 
                                      Volume Control : Ringer / Speaker
                                      Muting Conversationl

                                      Muting Conversation                                        

                                      Specification : 

                                      Line Type : Analog PBX / PSTN    River Network Ltd : tel 3426 9113

                                      Audio Bandwidth : 300 - 3400Hz

                                      Volume Control Range : Approx. 12 dB

                                      Dimension : H5.8 cm , Radius 17.8 cm

                                      Power : 200Vac

            Polycom Soundstation 2 Conference Phone     

                                      Features : 

                                      Polycom Acoustic Clarity Technology
                                      Remarkable Voice Quality
                                      Dynamic Noise Reduction (DNR)
                                      Intelligent Microphone Mixing
                                      Microphone Expandability 
                                      Backlit Graphical Display*
                                      Auxiliary Input / Output Jacks
                                      Single-cord connection to phone console
                                      Easy to use and install

                                      Muting Conversation                                        

                                      Specification : 

                                      Line Type : Analog PBX / PSTN    River Network Ltd : tel 3426 9113

                                      Audio Bandwidth : 300 - 3400Hz

                                      Size (L x W x H)
                                          • 14.5 x 12.25 x 2.5 in
                                                 (36.8 x 31.1 x 6.4 cm)
                                       Weight
                                          • 1.75 lb. (0.8 kg)
                                      Power
                                           • 110V 60Hz AC / 220V 50 Hz AC (depending on

            Amytel WCP1000 Wireless Conference Phone

                                      Features : 

                                      Radio Transmission Length  : 300 Meter external , 50 Meters Internal 

                                      Mcirophone Coverage Arear : 65 sq. M        River Network Ltd : tel 34269113                              

                                      Microphone Coverange Angle : 360 degree 

                                      No. of Microphone  : 3

                                      Speed dialing  : 10

                                      LCD display   : Date , Time               

                                      Ringer Pattern : 5           River Network Ltd : tel : 3426 9113

                                      Last No. Redial 

                                      Volume Control : ringer , speaker

                                      Muting Conversation                                        

                                      Specification : 

                                      Radio : 2.4 GHz 

                                      DSSFH 

                                      Line Type : Analog PBX / PSTN

                                      Audio Bandwidth : 300 - 3400Hz    R

                                      USB Speakerphone for Skype Conference Phone

                               Features :26 911

                               Loud and ultra clear voice conversation with Echo-Cancellation , Noise Suppression, and Full-Duplex   

                               Full-Duplex Transmission

                               High fidelity music playback with built-in sound processor to ensure the voice quality with 100% digital clarity

                               Microphone mute function design for private discussions is well suited for conferencing the business meetings

                               An ideal accessory for conferencing , IM, and Voip , Skype Applications  

                                Specifications : 

                          Interface type : USB type 

                                Support OS : Microsoft Windows 2000 Pro , XP Home / Professional Edition

                                Built-in Microphone : coverage Omni-directional 

                                                            Sensitivity -44dB +/- 3dB

                                                                   Frequency 20-16KHz 

                                Built-in Speaker : Frequency 120~20KHz

                                Impedance : 4 Ohms +/-15%

                                Built-in Amplifier : Output power Max. 2 Watts

                                Adjustment : Mic. on/off button

                                                     Volume control wheel 

                                Connector : Line-In 3.5mm analog lin-in jack

                                                    Headphone 3.5mm analog headphone jack

                                 Power : Consumption 2.5W @ 5v/50mA

                                Weight : 185g

                                Dimension : 100x100x45.3mm

                                Cable length : 100cm

                                Environment : Temperature in action : 0-40C

                                                         Humidity in action : 20-80%

                                Regulation & Standard : FCC/CE/BSMI/VCCI