Gao Tek Inc.

Toronto, Ontario, Canada

We are offering handheld multi functional cctv testeroverview - handheld multi-functional cctv tester (101)the handheld multi-functional cctv tester is an ideal device for installers and field technicians to test video, ptz function, and status of utp cables conveniently and efficiently. the low power consuming tester contains a high resolution lcd screen and supports rs232, rs422 simplex, rs485 and multi-protocol. The cctv meter operation is simplified through its osd menu and its power is supplied via the included power adapter or internal battery. This handheld cctv meter is specifically designed to perform well even under harsh environments including temperatures between -30 and 70 and relative humidity from 30% to 90%. features - handheld multi-function cctv tester (101)video test functionhigh resolution lcd screenptz control and test functionsupports rs232, rs422 simplex, rs485 and multi-protocolutp cable test function1 channel video generating functionrs485 data test functionosd menu, visual, easy to operationpowered by power adapter or batterylow consumption, battery power status technical specifications - handheld multi-functional cctv tester (101) video test signal mode ntsc/pal display 2.5 inch lcd screen, 960 * 240 resolutions video input 1 channel bnc video output 1 channel bnc ptz controlling communication rs232, rs422 simplex and rs485 protocol pelco d, p; samsung, panasonic or customized baud rate 2400, 4800, 9600, 19200 other function signal generating 1 channel video signal output used for testing monitor, selectable pal/ntsc utp cable test test state of utp cable connection rs485 data test test the rs485 data sent from controlling device operation english osd menu power power adapter dc9v battery 2 pcs 18490 standard batteries 3.6 v, capacity 1400 mah rechargeable 5 hours recharging time, works for 5 hours low power consumption sleeping mode, shows battery power status other parameters working temperature -30 to 70 humidity 30% to 90% dimensions (mm) 170 99 48

We are offering handheld portable gigabit ethernet testeroverview - handheld portable gigabit ethernet testerthis handheld gigabit ethernet tester is used for the installation and maintenance of 10m/100m/1000m ethernet. Its functions include network testing, data packet capture, traffic generation, cable testing and ber testing. The ethernet tester is widely used in ber testing of layer1, layer2, layer3, and rfc-2544. key features - handheld portable gigabit ethernet tester-ergonomic design and easy to carry-jacket cover, tie-in protection, lanyard, hands-free viewing-4.3 in lcd color touch screen, smart navigation menus-results can be shown as texts or graphics-128 sites full line rate 10/100/1000 mbps traffic transmission-rfc2544 automated test, fast network testing and fault location-led indicator, lcd display-large capacity memory for storage of settings and results-online upgrade of firmware basic functions - handheld portable gigabit ethernet tester-full rfc2544 benchmark testing: throughput, frame loss rate, latency and back-to-back-single and multiple site traffic generation-compatible with vlan tag-connectivity testing: ping, trace, arp scan. -conducts termination mode test and frame length, frame type and used ratio status-optical power test and optical module temperature, working current and voltage test-cable vct: capable of identifying short circuit, open circuit, cable length. -interruption time test-provides test tools including port positioning, packet capture, loopback. -provides external usb drive for data exchange-includes test manager pro software for data management technical specifications - handheld portable gigabit ethernet tester modela0060001aa0060001b test interface-dual rj45 ports performing 10/100/1000 base-t;-dual sfp ports performing 1000base-sx/lx/zx-single rj45 port performing 10/100/1000 base-t;-single sfp port performing 1000base-sx/lx/zx standardsieee 802.3, rfc1242, rfc2544 led indicatorpower, port1 link/act, port2 link/act, alarm communication portethernet port, usb port battery7.4 v li-ion rechargeable battery, last for about 2 h power supplydc 8.4 v/1.2 a operating systemwin 2000/xp operating temperature0 c to 50 c humidity5% to 95% non-condensing dimensions233 mm-110 mm-64 mm weightapprox. 800 g

We are offering Handheld E1 Bit Error Rate Ber Tester. Overview Handheld E1 Bit Error Rate (BER) TesterThis E1 BER (Bit Error Rate) tester is a compact, multi-functional, handheld E1 line test instrument, specially designed for R&D, production, installation and maintenance of SDH, PDH, PCM, and DATA protocol conversion. It features self-check and keyboard testing, extensive error and alarm generation, detection and indication. This tester provides smart menu navigation and has a large color LCD screen allowing test results to be displayed clearly. Test results can be downloaded or printed via included software. It is an ideal device for fast problem resolution, E1 PCM line access, maintenance and acceptance testing. Key Features Handheld E1 Bit Error Rate (BER) TesterEasy-to-use, handheld designFull-featured measurements of E1, Datacom and Protocol ConverterHigh resolution backlight LCDSmart menu navigationExtensive error and alarm generation, detection and indicationHistogram analysis of alarm and error eventsSave/Recall of up to 10 user-defined setups and 10 sets of resultsMore than 6 hours operation with a single battery chargeBuilt-in Ni-MH rechargeable batteries and smart charger circuitry (automobile adaptor included)Upgradable embedded software via an integrated RS232C interfaceTest results could be uploaded and analyzed with software providedBasic Functions Handheld E1 Bit Error Rate (BER) Tester120 and 75 line interfacesHDB3 and AMI line codesOut-of-service framed and unframed testing2 Mb/s, N64 Kb/s BER testingFrame data and alarm monitoringClock slip measurementFrequency and level measurementTesting pattern: PRBS, Fix Code, 16-BIT User WordError injection: Single and Fixed RateReal-time transmit circuit open/short indicationManual and auto-timer measurementITU-T G.821, G.826, and M.2100 performance analysisTechnical Specifications Handheld E1 Bit Error Rate (BER) Tester Internal Clock2048 kb/s 10 ppm Line Interfaces75 (Unbalanced), 120 (Balanced); *High Input Impedance >2 K Line CodeHDB3, AMI FramingUnframed, PCM30, PCM30CRC, PCM31, PCM31CRC Level Measurement-43 dB to -2.5 dB Tx Clock SourceInternal, Interface Frequency MeasurementAccuracy: 1 Hz Offset MeasuremenAccuracy: 1 ppm; Range: -999 ppm to 999 ppm Test PatternsPRBS: 223 -1, 215 -1, 211 -1, 29 -1 Fixed Code: 1111, 0000, 1010 16BIT: Fully programmable 16-bit word Alarm IndicationsSignal Loss, AIS, Frame Loss, MFrame loss, Pattern Loss, Remote Alarm, Errors, Low Battery Error Injection Type: BIT, FAS, CODE, CRC4, E-BIT Single, OFF, Fixed Rate: 10-2 , 10-3 , 10- 4 , 10-5 , 10-6 , 10-7 Performance AnalysisITU -T G.821, G.826 and M.2100 I/OUSB Rechargeable Batteries7.4 V Li battery, continuous working for 8 hours Recharge TimeApprox. 2 hours AC Power AdapterInput: 100 V to 240 VAC, 50/60 Hz; Output: 12 VDC /1.5 A Dimensions230 mm 72/11 mm 33 mm WeightApprox. 500 g

We are offering portable adsl2+ tester. Overview -portable adsl2+ testerthis portable adsl2+ tester is especially useful for installation and maintenance. Its compact size and rugged design make it a perfect tool for adsl technicians and engineers for field use. The adsl2+ tester provides such test functions as upstream and downstream rate measurements, error counts, modem simulation, ping and trace testing. The tester also provides digital multi-meter (dmm) functionality to test subscriber telephone connectivity and line parameters. It is suitable for tier-1 adsl applications. key features -portable adsl2+ tester-easy to use-rugged design with jacket protector-portable handheld design with lanyard and bracket stand for convenience-windows ce operating system allows web site browsing-large storage volume to store test settings and results-embedded software is upgradable via ethernet or usb interface-built-in li-ion battery and external charger-voice and led status indicators-auto -off function saves powerbasic functions - portable adsl2+ testerauto line standard settings-adsl2+ (g.992.5), adsl2 (g.992.3), re-adsl (annex l), double upstream (annex m) and downwards compatible with adsl (g.dmt, g.lite, t1.43) line standards. line parameter measurements-upstream and downstream actual bit rate-upstream and downstream max bit rate-upstream and downstream snr margin (signal to noise ratio)-upstream and downstream line attenuation-upstream and downstream transmit power-upstream and downstream utilized rate-adsl line modulation mode, channel, and connection status indication-snr and character bits allocation (graphic format) under 256/512 dmt-sub-tone bit graph, sub-tone signal to noise ratio graphadsl statistics error counts-transmits total frames-severe error frame (sef)-loss of signal (los)-loss of frame (lof)-reed-solomon forward error corrections-cyclic redundancy check (crc) anomalies-header error check (hec)-out of cell delineation (ocd)-no cell delineation (ncd)-error second (es), severely error second (ses), unavailable seconds (uas)-bite errors (be)-signal cell (sc), digital signal cellline error-total test codes-line error bit-bit error ratedmm-ac, dc voltage-current-resistance-line capacitance-loop length estimationadsl modem simulation-provides bridge, pppoe, pppoa, mer, ipoa regulation to perform isp simulation login and verifies operational performance of terminal equipment-real-time display rate and fluxweb browser-browse web sites directly on the testerping testing-wan ping testing: ip or domain ping testing, rate of ping data packet loss-lan ping testing: ip ping testing. Finds connection faults and data packet losstrace testing-trace ip transmit routeother-upgradable software via an ethernet/usb interface-window's based software provided for test result and settings management