Interphone
Frequency scope:400-430mhz communication distance:5-10 kilometers shoot the power:2.5w/6.0v receive intelligent degree:0.13 uvs below the frequency takes the width:20mhz the frequency really lose:5% of _ channel number:100 a halfs a work physical volume:a - a - 23 mms weight:300 gs( contain the battery weight) the biggest frequency is partial to:miscellaneous a radiation _ 60 bds the electric current of state:10ma shoot the electric current:800ma power supply electric voltage:6v
Export standard
Supplier: I.T. hardware & networking, server, switch, cp phones, modules, voips
Buyer: I.T. hardware & networking, server, switch, cp phones, modules, voips
Voip phone Two separated uart for cpu and dsp+32-bit risc cpu with 125mhz clock rate+16-bit fixed-point dsp with 125mhz clock rate+max. Support 32mbytes sdram and 16mbytes flash Support 1 line for voip call, sip(rfc2543, arfc3261)+phonebook with 100 groups memory+ Network protocoltftp client/dhcp client/ pppoe client+telnet/http serverdns client+ipftcpfudpf rtpfrtcp+ipficmpfarpfrarpfsntp Voice qualityvad: voice activity detection+cng: comfortable noise generato+lec: line echo canceller+packet loss compensation+adaptive jitter buffer+ Codecg.711: 64k bit/s (pcm)+g.723.1: 6.3k / 5.3k bit/s+g.726: 16k / 24k / 32k / 40k bit/s (adpcm)+g.729a 8k bit/s (cs-acelp)+g.729b: adds vad & cng to g.729+ Call functioncall hold+call waiting+call forward+caller id+3-way conference Dtmf functionin-band dtmf+out-of band dtmf+sip info+ Sip serverregistrar server (three sip account)+outbound proxy+ Phone functionvolume adjustment+speed dial, phone book+flash+speaker phone+ Ip assignmentstatic ip and dhcp+pppoe support for adsl or cable modem+ G securityhttp 1.1 basic/digest authentication for web setup+md5 for sip authentication (rfc2069/ rfc 2617)+
Supplier: Cctv camera, cc camera,ip camera, wifi camera, security surveillance system, pabx, intercom, video intercom, epabx, ip pbx, ip phone, pa system, sound system
Buyer: Cctv camera, cc camera,ip camera, wifi camera, security surveillance system, pabx, intercom, video intercom, epabx, ip pbx, ip phone, pa system, sound system
Supplier: Telephone call recoredr, fixed cellular terminal, GSM fct terminal, GSM gateway device, fixed wireless terminal, GSM hotline device, voice mail facility, GSM auto dialer, telephone call recorder, call monitoring software, digital voice logger
Supplier: Cctv , Currency Counting Machine, Billing Machine, Video Door Phone, Automatic School Timer, Biometric, Attendance Machine System, Token Display
Supplier: Fixed wireless terminal, alarm system, sim card phone dialer, telephone recording box, telephone recorder, phone recording device.recording phone
Services: Door to door
Supplier: Ryzen, Cordless Clipper, Games, Devices Accessories, Toys, Jlab Audio Jbuds Air True Wireles, Webcam Wireless Smart, Camera,breville The Barista Express
Buyer: Ryzen, Cordless Clipper, Games, Devices Accessories, Toys, Jlab Audio Jbuds Air True Wireles, Webcam
Supplier: CCTV cameras, ip cameras, biometric machines, burger alarm system, intercom/epabx, metal detectors, security safes/lockers, telephones, routers, hardisk, safety jackets, security briefcase, dvr racks, networking racks and total security systems
Services: Repair, service and maintenance, installation
Supplier: Computer, laptop, keyboard mouse monitor, thin client, vga cable, power cable , fwp, fct, telephone, router, switches, cput, hard disk , ram, data card, dongle
