Isolates ADSL and voice bands. High quality product and services with double noise reduction and high progressive connection pick up. ADSL splitters/filters is an electronic device that isolates the adsl and voice bands. An adsl line filter is required whenever you connect a computer to the internet using broadband over a standard telephone line. The filters divide the signals on the telephone line between the high pitched computer modem sounds and the lower pitched human voices.
Modem External basic ADSL modem for single computers. Connection to PC is USB. ull rate speed support up to 8MBps The modems are ANNEX A type and there is support for major protocols: G.DMT, T1.413, PPPoA, PPPoE, T1.483 Issue 2 G.992.1, G992.2. 9x/Me/NT/2000/XP. Qty: 7000 pcs in-stock Brand new, bulk packed (20 in box) Warranty 1 year Price $7 each , or make offer to take all FOB Helsinki , Finland Bulk, 20 pcs in a box
Fme(fiber optic modem) Detailed selling lead description Fme is high-speed fiber optic modem with remote configuration based on asic circuitry technology. It supports user-selectable rates between n*64kbps (n=1--31) and 2048 kbps. The fiber interface is sc (single module).Transmission distance is up to 60km. The product fully conforms to part 15 of fcc regulation. With remote configuration, the fme rate of user terminal follows the configuration of the fme of master terminal automatically without any other setup. Data interface of fme can be v.35/v.24/rs232 or g.703. E1 rate supports framed mode and unframed mode, which are known as n*64 kbps (n=1--31) and transparent 2048 kbps. External clock, internal clock, and slave clock are supported. With the function of integrated diagnosis, it can perform tests of local analog loop back and remote digital loop back to achieve end-to-end integrity test. Detailed product description Feature: 1) fiber optic modes: 8.3/125mum, 8.7/125mum, 9/125mum, 10/125mum, single module 2) transmission distance: 0-60km 3) fiber optic interface: sc 4) length of working wave: options: 1, 310nm, 1, 550nm 5) transmitting electrical level: 0~6dbm 6) receiving sensitivity: -36dbm 7) decaying: 1, 310nm window0.4db/km, 1, 550nm window 0.25db/km 8) data interface: v.35 mode: fmve, g.703 mode: fmge 9) data rate: n*64kbps (n=1 - 31); 2, 048kbps 10) transmission mode: synchronous 11) line interface: bnc; rj45 12) transmission features: conforms to g.703 13) clock: line clock, external clock, internal clock 14) test methods: local analog loop back test and remote digital loop back test 15) dce interface v.35 or v.24/rs232c 1) power supply: 220vacf+10%, 50hz; 48vdc(optional) 2) power consumption: 5w; 3) dimension (l x w x h): 225 x 145x 40mm, 9" x 5.8" x 1.6" 4) temperature: 0 - 40fpc 5) humidity: 0~95%
Msdsl(2wire g.Shdsl modem adsl) Detailed selling lead description Features: 1) msdsl is fpga-based 2-wire 2304kbps modem 2) according with itu g.Shdsl standard, with best concocting technology and very good frequency spectrum compatibility 3) has 3.5 - 9.7km transmission distance in special lines with 24awg (0.5mm) and 26 awg (0.4mm) 4) can be used in every high-grade and high-speed telecoms operation such as transmitting voice, data and images 5) also supports n x 64kbps rate (n=1~32) of interface of v.35, e1(g.703) and ethernet. Msdsl has strong supervisory control function Detailed product description Features: 1) line interface 2) fully conforms to standard of ydn 056-1997 3) transmission rate: n x 64kbps + 8kbps (n=3~36) 4) code: pam16 5) line impedance: 135 ohm 6) signal electrical level: +13.5 +/- 0.5 dbm 7) line wire interface: a pair of passive twisted-line, rj45 8) code error rate: f_10 - 9 9) transmission distance without linkup: 3.5~9.7km (0.4~0.8mm wire size) 10) data interface 1 (e1 interface) feature 11) transmission rate: n x 64kbps (n=1~32) 12) line coding: hdb3 13) line impedance: 75 ohm/120 ohm 14) interface standard: conforms to ccitt g.703 standard 15) data interface: (v.35 / v.24) 16) transmission rate: n x 64kbps (n=3~36); v24 (64k; 128k) 17) work mode: dce 18) work circumstances 1) power supply: 220vacf+10%, 50hz; 48v dc (optional) 2) power consumption:
Dsu128(2 wires 128k, ddn, baseband modem) Detailed selling lead description Features: 1) a high-performance 2-wire full duplex base-band modem based on dsp and lsi technology 2) transmission rate is up to 128kbps 3) supports synchronous and asynchronous modes and is suitable for loop between user terminal And interface of ddn or x.25 4) because it has echo cancellation technique and adaptive equal technology and high- performance 2b1q lines coding technology, it has good transmission property 5) the transmission distance in 0.5mm lines can be up to 7.5km 6) the product conforms to the regulated lines specification of ansi15 loop back test and the lines Transmission requirement of post and telecom office of china 7) v-dsu128 is compatible with asm-31 of rad, loop-u3500, dt128 of tainet, and so on 1) power supply: 220v acf+10%, 50hz; 48v dc (optional) 2) power consumption: 5w 3) dimensions (l x w h): 225mm x 145mm x 40mm (9" x 5.8" x 1.6") 4) temperature: 0 ~ 40fpc 5) humidity: 0 ~ 95%
ADSL filter, inline ADSL filter, inline DSL splitter, filtre adsl, adsl modem filter, DSL modem filter.
Features: No bad effect to the signal. Hing frequency two sides circuit plate, high isolation, good in-band flatness. Made by aluminium, nice looking. Applying broadband directing matching mode with fine impedance match. Technology Parameterú¦ Ltems Unit parmeter Freq range MHz 5-1000 Flatness dB í+1.2 Inserion Loss dB 15[/td] Mutual Isolation dB >33 Input terminal level defference dB
Modem speed touch 330 usb adsl modem qty 1900 pcs
Converters/dsl cpe/multiplexers/bridges/modems/switch.
Product performance description Portable toolkits Various connection accessories Fast reading Supports all HART instruments USB and RS232 Interface optional Industrial upgrade Welcome to contact us. Microcyber
Switch LAN Cards (NICs), Reborn Cards, SOHO Ethernet Switch, 19" Ethernet Switch, Converter, 56K Modem, DSL Modem/Router, USB / 1394 Cards, TV Box.
Frequency: Gsm 900/1800 Output power Class 4: 2w @ 900 Class 1: 1w @ 1800 Specification for csd data transmission: Up to 14.4 kbit/s V.110 Non-transparent mode Ussd support Specification for voice:triple-rate codec for hr, fr, efr, amr Basic hands-free operation Echo cancellation Noise reduction With tcp/ip stack, ppp, udp Internet services: http, ftp, smtp, pop3 Control via at commands Sim application toolkit Specification for sms: Point-to-point mo and mt Sms cell broadcast Text and pdu mode Specification for fax: Group 3, class 1, 2 Supply voltage range: 7-30 v Temperature range Normal operation: -20°c to +70°c Restricted operation: -25°c to +75°c Switch off: +80°c Storage: -40°c to +85°c Size: 65x74x33mm Weight: 95g Operating status led
Modem Box For Electricity Meter And Electrical Field
mix cdma Modem around 30000 pcs availble ec315 306 3633 156 mf801 df801
1. High speed and always on-line 2. Has SMS application toolkit 3. Send & receive data and SMS 4. Wavecom GSM GPRS Modem RS232. Wavecom Fastrack Supreme 20 modem (Best) The Fastrack Supreme 10 and Fastrack Supreme 20 are discrete, rugged cellular Plug& Play Wireless CPU® Offering state-of-the-art GSM/GPRS (and EGPRS for Fastrack Supreme 20) connectivity for machine to machine applications. Fully certified, the quad band 850/900/1800/1900 MHz Fastrack Supreme 10 offers GPRS Class 10 capability and Fastrack Supreme 20 offers GPRS/EGPRS Class 10 capability. RS232 GSM/GPRS modem Based on wavecom modules Q24plus 850/900/1800/1900mhz Pppp. Tcp. Udp. Http. Smtp. Pop3 OpenAT. STK Rs232 gsm/gprs modem Model: AT-q24R Wireless access to internet Based on wavecom modules Q24plus With TCP/IP stack Internet services: PPP. TCP. UDP. HTTP. SMTP. POP3 Open AT Flash memory 32MB. Psram 16MB 850/900/1800/1900MHZ 3V SIM card slot DB9 RS232 interface SIM application toolkit Double tone multi-frequency function(DTMF) Send and receive data. E-mail. Sms Gprs class 10 Antenna with high sensitivity Always On-line Comply with ETSI gsm phase2+standard Output power Comply with ETSI GSM PHASE2+Standard Output power Class 42w@850/900mhz Class 11w@1800/1900mhz I input voltage 5v-36v DC Input current 1A-2A Standby current 100-140ma Working temperature -20degrees-+degrees Storage temperature: -25degrees-+55degrees Storage temperature: -+25degrees -+70degrees Size 76*54*25mm Weight 100g Accessories: AC/DC adaptor. Rs232 cable. Antenna. 2 mounting plates. CD Specification for data GPRS class 10 max. 85.6kbps downlink Pbcch support Coding schemes CS 1.2.3.4 Csd up to 14.4kbps Specifications for sms via GSM/GPRS Point to point MOand MT Sms Cell broadcast. Transmission Rate: 128Kbps.
Huawei E160G modem specification EDGE/GPRS/GSM 850/900/1800/1900 MHz HSPA/UMTS (900/2100 MHz) HSDPA download up to 3.6 Mbps. HSDPA upload up to 384 kbps Doubles up as a memory stick with an optional MicroSD card Compatible with Windows ? 2000 / XP Home / XP Pro / Vista / MAC OS X USB interface . Dimensions: 75 x 25 x 12 mm Weight: 50g.
òHSDPA/UMTS (850/1900/2100MHz) òGSM/GPRS/EDGE (850/900/1800/1900MHz) òSupport 3.6Mbps HSDPA services òMicro SD Card Slot òSupport PC voice (optional) and SMS services òSupport data statistics òReceive diversity (850/1900/2100MHz) òPlug & Play òSupport Windows 2000, Windows XP, Windows Vista and Mac Operating Systems
Best USB modem distributor in Asia! Best quality, Fast delivery, your reliable 3G partner! Sell to over 30 countries USB 3G ,USB 3.5G Modem Aircard Whole Sale, Distributor Hot Model: Huawei E1550,Huawei E160,Huawei E156, Huawei E169,Huawei E176, Huawei E960, Huawei 1762, Huawei E5830, ZTE MF626,MF627,etc. We are the expert USB MODEM Distributor in HongKong, Asia. We are offering Original, Brand New HUAWEI ,ZTE full series USB 3G Modem products, to all over the world. HUAWEI E160g Product Details: Huawei E160G modem specification EDGE/GPRS/GSM 850/900/1800/1900 MHz HSPA/UMTS (2100 MHz) HSDPA download up to 3.6 Mbps. HSDPA upload up to 384 kbps Doubles up as a memory stick with an optional MicroSD card Compatible with Windows ? 2000 / XP Home / XP Pro / Vista / MAC OS X USB interface Dimensions: 75 x 25 x 12 mm Weight: 50g please send inquiry to sales01@3gmodem.com.hk or visit www.3gmodem.com.hk for more details. Best USB modem distributor in Asia! Best quality, Fast delivery, your reliable 3G partner! Sell to over 30 countries USB 3G ,USB 3.5G Modem Aircard Whole Sale, Distributor Hot Model: Huawei E1550,Huawei E160,Huawei E156, Huawei E169,Huawei E176, Huawei E960, Huawei 1762, Huawei E5830, ZTE MF626,MF627,etc. We are the expert USB MODEM Distributor in HongKong, Asia. We are offering Original, Brand New HUAWEI ,ZTE full series USB 3G Modem products, to all over the world. HUAWEI E160g Product Details: Huawei E160G modem specification EDGE/GPRS/GSM 850/900/1800/1900 MHz HSPA/UMTS (2100 MHz) HSDPA download up to 3.6 Mbps. HSDPA upload up to 384 kbps Doubles up as a memory stick with an optional MicroSD card Compatible with Windows ? 2000 / XP Home / XP Pro / Vista / MAC OS X USB interface Dimensions: 75 x 25 x 12 mm Weight: 50g please send inquiry to sales01@3gmodem.com.hk or visit www.3gmodem.com.hk for more details.
HUAWEI E1550 Product Details: Specifications: Huawei E1550 USB modem. HSDPA/WCDMA 2100MHZ GSM/GRPS/EDGE 850/900/1800/1900MHZ HSDPA data transfer speed up to 3.6Mbps USB interface install automatically and easy to use Micro SD memory card slot(up to 4GB) Dimensions: size:70.1mmx25.7mmx 11.6mm weight:50g. System Requirements: windows 2000/XP/Vista or Mac OS X 128MB of RAM 50MB free hard disk space or above USB slot.
Best USB modem distributor in Asia! Best quality, Fast delivery, your reliable 3G partner! Sell to over 30 countries USB 3G ,USB 3.5G Modem Aircard Whole Sale, Distributor Product Details: Huawei E169G modem specification Specifications: * HSDPA/UMTS900/2100MHz * GSM/GPRS/EDGE850/900/1800/1900MHz * Support 7.2Mbps HSDPA services * Support PC voice (optional) and SMS services * Support data statistics * Plug & Play * Support Windows 2000/XP/Vista and Mac Operating Systems
