TEC Certification Service

A router receives and sends data on computer networks. Routers are sometimes confused with network hubs, modems, or network switches. However, routers can combine the functions of these components, and connect with these devices, to improve Internet access or help create business networks.

• Delivery Time: 30 - 40 Days

The timing source in the network is generated by a PTP Grandmaster, a network element with an integrated GNSS receiver that sends PTP timing packets throughout the network. There are several key elements one needs consider when selecting a PTP Grandmaster.

• Delivery Time: 90-70 Days

The short message service center (SMSC) is the portion of a mobile phone network that handles text message operations. It is responsible for receiving, storing, routing and forwarding SMS messages from mobile handsets. It is also referred to as a short message service -- service center (SMS-SC)

• Delivery Time: 90-70 Days

A cordless telephone or portable telephone has a portable telephone handset that connects by radio to a base station connected to the public telephone network. The operational range is limited, usually to the same building or within some short distance from the base station.

• Delivery Time: 30-40 Days

Group 3 fax is the most common type of fax machine transmitting on A4 paper. The machine scanning format is digital and operates at rates between 9.6Kbps and 14.4Kbps.

• Delivery Time: 30-40 Days

A two wire communication system capable of transmitting data and transferring power by means of an electrical bi-polar waveform across a two wire conductor from a controller in communication with said two-wire conductor to at least one module in communication with said controller and capable of transmitting data from one place to another.

• Delivery Time: 30-40 Days

Short for modulator/demodulator, a modem is a hardware device that allows a computer to send and receive information over telephone lines. When sending a signal, the device converts ("modulates") digital data to an analog audio signal, and transmits it over a telephone line.

• Delivery Time: 30-40 Days

High-frequency (HF) radio is in the 100- to 10-metre wavelength band, extending from 3 megahertz to 30 megahertz. Much of the HF band is allocated to mobile and fixed voice communication services requiring transmission bandwidths of less than 12 kilohertz.

• Delivery Time: 90-70 Days

5G Core (5GC) is the heart of a 5G network, controlling data and control plane operations. The 5G core aggregates data traffic, communicates with UE, delivers essential network services and provides extra layers of security, among other functions.

• Delivery Time: 90-70 Days

n 5G, base stations are known as gNB, where the “g” stands for next Generation. The Mobile Core is a bundle of functionality (conventionally packaged as one or more devices) that serves several purposes. Provides Internet (IP) connectivity for both data and voice services.

• Delivery Time: 90-70 Days

A radio receiver, also known as a receiver, a wireless, or simply a radio is an electronic device that receives radio waves and converts the information carried by them to a usable form. It is used with an antenna.

• Delivery Time: 90 - 70 days

A  smart card inside a mobile phone, carrying an identification number unique to the owner, storing personal data, and preventing operation if removed.

• Delivery Time: 60-70 Days

A modem and a router to connect to the ISP and provides internet to other devices. A DSL modem router has both built into one box. DSL is an initialism for "Digital Subscriber Line", which is a technology that enables high-speed data transmission on ordinary twisted-pair telephone lines.

• Delivery Time: 90-70 Days

Base stations in cellular telephone networks are more commonly referred to as cell towers. Each cellphone connects to the cell tower, which in turn connects it to the wired public switched telephone network (PSTN), the internet or to other cellphones within the cell.

Radios with lower frequencies (VHF) have longer wavelengths, making them ideal for work across wide areas free from obstruction, as well as outdoor use. UHF radios operate at a higher frequency, which is ideally suited for wireless communications that need to penetrate buildings, walls, concrete, or other barriers.under 65.5 feet long, a Very High Frequency (VHF) Marine Radio allows instant communication between your boat and other boats, marinas, bridges, and the United States Coast Guard (USCG).

• Delivery Time: 60-70 Days