GAOTek provides a large collection of superior quality and feature-rich public switched telephone network devices for sale to the United States, Canada and Globally. Public telephone networks (PSTN) were denoted as plain old telephone systems (POTS). They are a collection of individual telephones that are hardwired to a public exchange. GAOTek’s PSTN products consist of xDSL testers, phone line testers, E1 testers, and PSTN analyzers and they are international telephone systems that can supply analog voice data with the help of copper wire.

Showing 1–36 of 491 results

GAOTek Remote Power Analyzer

SKU: GAOTek-PSTNA-219
This Remote Power Analyzer has a frequency of 45 Hz to 65 Hz, a maximum input of 600000 VAC and an operating temperature of -13 F to 131 °F.

GAOTek Fully Automated Fluorescence Immunoassay Analyzer

SKU: GAOTek-PSTNA-218
GAOTek fully automated fluorescence immunoassay analyser BKP1000 adopts the leading flow system design and whole machine topology design, which is highly intensive.

GAOTek Oxygen Meter Analyzer

SKU: GAOTek-PSTNA-217
GAOTek oxygen meter analyzer is a portable measurement instrument to measure oxygen concentration, flow and outlet pressure of oxygen concentrators.

GAOTek Handheld Spectrum Analyzer

SKU: GAOTek-PSTNA-216
GAOTek handheld spectrum analyzer is rugged, handy and designed for use in the field.

GAOTek Thermogravimetric Thermal Analyser

SKU: GAOTek-PSTNA-215
This Thermogravimetric Thermal Analyser has a heating rate of 33.8 °F to 176 °F, a temperature resolution of 32.18 °F, and a resolution of 1 ug.

GAOTek Vector Network Analyzer

SKU: GAOTek-PSTNA-214
GAOTek vector network analyzer, the difference between the measurement power available at the test port and the noise floor of the receiver is critical parameter of a VNA.

GAOTek Vibration Tester Analyzer

SKU: GAOTek-PSTNA-213
This Vibration Tester ANALYZER has A or D converter of 4 channels, 24 bit, the usable bandwidth of 2 Hz to 20 kHz, and the dynamic range of 128 dB.

GAOTek Single Ended Dispersion Analyzer

SKU: GAOTek-PSTNA-212
This Single-ended Dispersion Analyzer has measured wavelength of 1475 nm to 1626 nm, dynamic range of 25 (32 reflector), and PMD range of 0.1 to 20.

GAOTek Network Analyzers

SKU: GAOTek-PSTNA-211
GAOTek network analyzers is the latest product of our company, which is based on multi-level and many medium tests and design of the super modular platform type.

GAOTek Handheld Cable Antenna Analyzer

SKU: GAOTek-PSTNA-210
GAOTek handheld cable antenna analyzer is a rugged, handy cable and antenna analyzer, designed for use in the field.

GAOTek Vector Network Analyzer

SKU: GAOTek-PSTNA-209
GAOTek vector network analyzer is applicable to fields of radio communications, cable TV, teaching and automotive electronics etc.

GAOTek Handheld Vector Network Analyzer

SKU: GAOTek-PSTNA-208
GAOTek handheld vector network analyzer maintaining the operation of RF communications systems requires fast identification of any defects in the system components.

GAOTek Microwave Network Analyzer

SKU: GAOTek-PSTNA-207
GAOTek microwave network analyzer efficiently describes active components using simplified setup applications by customizing the right level of performance to meet your specific budget and measurement needs.

GAOTek Handheld Digital Spectrum Analyzer

SKU: GAOTek-PSTNA-206
This Handheld Digital Spectrum Analyzer has 9 kHz to 20 GHz   frequency range, ± 1.5 dB level accuracy, ambient temperature of 32 ℉ to 104 ℉.

GAOTek Handheld Multifunctional Analyzer

SKU: GAOTek-PSTNA-205
GAOTek handheld multifunctional analyzer has frequency range of 18 GHz or 26.5 GHz or 40 GHz, this microwave analyzer integrates multiple functions such as dual-port vector network analysis, cable and antenna feeder test, vector voltage measurement, spectrum analysis (channel power, adjacent channel power, occupied bandwidth, interference analysis and frequency counting), field strength measurement and power measurement, providing you with powerful comprehensive test capabilities.

GAOTek Handheld Microwave Combo Analyzer

SKU: GAOTek-PSTNA-204
GAOTek handheld microwave combo analyzer faced with the new dynamics of broadband, microwave and millimeter wave communications, Key sight has developed a new generation of Field Fox microwave analyzers, which it owns 100 MHz real-time bandwidth and up to 26.5 GHz frequency range.

GAOTek Ethernet Speed Tester

SKU: GAOTek-ENET-116
GAOTek ethernet speed tester is a new gigabit speed test PDA S113 V9 Android 10 OS, basic on functions of 1 G or 10 G power meter, VFL, IPTV emulation, it also supports Wi-Fi6, GPS, Camera, 1 G and 2.5 G wired network.

GAOTek Network Cable Tester Ethernet

SKU: GAOTek-ENET-115
GAOTek network cable tester ethernet is a portable handhold device used for locating broken faults, cross fault, insulation fault and so on.

GAOTek Cable Tester Ethernet

SKU: GAOTek-ENET-114
This Cable Tester Ethernet has 15 hrs standby time, 40 dB dynamic range, 8 hrs test time, 850 nm wavelength, and -70 to 8 OPM test range.

GAOTek Ethernet Cable Tester

SKU: GAOTek-ENET-113
This Ethernet Cable Tester has 5200 mAh lithium battery, 4.3 in (10.92 cm) touch screen display, 20 dB to 24 dB dynamic range, and 95% humidity.

GAOTek Ethernet Network Tester

SKU: GAOTek-ENET-112
GAOTek ethernet network tester is a multi-functional portable comprehensive test platform integrating E 1, V 35, 10 M or 100 M or 1000 M or 10 G ethernet, optical power meter test and other physical interfaces.

GAOTek Gigabit Ethernet Tester

SKU: GAOTek-ENET-111
GAOTek gigabit ethernet tester is a handheld ethernet service tester that supports testing for speeds up to 1 Gbps.

GAOTek Ethernet Tester

SKU: GAOTek-ENET-110
GAOTek ethernet tester is handheld dual-port 10G full protocol tester is widely used in any Ethernet-specific test, including service operator performance evaluation of Ethernet, Metro Ethernet or mobile backhaul installation, activation, or maintenance, point-to-point Ethernet Deployment of access services, and online fault diagnosis of real-time information flow, etc.

GAOTek Fiber Optic Ethernet Tester

SKU: GAOTek-ENET-109
This Fiber Optic Ethernet Tester has 650 nm wavelength, 0.05 dB linearity, 0.05 dB loss threshold, 32 K sampling point, and 5.6 in LCD screen.

GAOTek Ethernet Tester

SKU: GAOTek-ENET-108
GAOTek ethernet tester is applied to FTTx and access network construction and maintenance, to test fiber breakpoint, length, loss and input light automatic detection, automatic test by one key.

GAOTek Ethernet Cable Tester

SKU: GAOTek-ENET-107
GAOTek ethernet cable tester is a multi-functional OTDR that adopts a 3.5 in (8.89 cm) color screen.

GAOTek Gigabit Ethernet Tester

SKU: GAOTek-ENET-106
GAOTek gigabit ethernet tester is compatible with both indoor laboratory and outdoor field environments.

GAOTek Ethernet LAN Tester

SKU: GAOTek-ENET-105
GAOTek ethernet LAN tester is designed for ethernet systems, this product measures the speed and performance on CAT3, CAT5e and CAT6 cable according to ANSI or TIA or EIA-568-B and ISO or IEC 11801 to ensure the cable qualification.

GAOTek Ethernet Cable Tester

SKU: GAOTek-ENET-104
GAOTek ethernet cable tester provides a comprehensive testing solution for the next-generation network.

GAOTek LAN Network Cable Tester

SKU: GAOTek-ENET-103
GAOTek LAN network cable tester provides a complete test for the next generation ethernet solution.

GAOTek Cable Fault Tester

SKU: GAOTek-ENET-102
GAOTek cable fault tester integrated industrial embedded computer platform, network communications service and USB communication system to improve the utilization of the device.

GAOTek Surface Roughness Meter

SKU: GAOTek-XDSLT-293
GAOTek surface roughness meter can be widely used in the production site, can measure the surface roughness of a variety of machined parts, calculate the corresponding parameters according to the selected measurement conditions, and clearly display all the measurement parameters on the liquid crystal display.

GAOTek Smart Optical Power Meter

SKU: GAOTek-XDSLT-292
GAOTek smart optical power meter is a new version 3.5 in (8.89 cm) (color screen version of high-precision optical power meter.

GAOTek High Precision Resistance Tester

SKU: GAOTek-XDSLT-291
GAOTek high precision resistance tester is designed for measuring low DC resistance of the instrument.

GAOTek Contact Resistance Checker

SKU: GAOTek-XDSLT-290
This Contact Resistance Checker Tester has minimum resolution of 0.1 µ Ω, input voltage of 5 v, and working temperature of - 10 ° F to 104 ° F.

GAOTek Optical Fiber Tester

SKU: GAOTek-XDSLT-289
This Optical Fiber Tester has battery of 7.4 V or 4.6 AH, minimum distance resolution of 3.93 in (0.1 m), and loss resolution of 0.001 db.