Voice over IP. The Basics

The Gigabit-PoE-Switch-120W is a high-performance, silent network switch with Power over Ethernet functionality, ideal for IP surveillance systems, Raspberry Pi 5 installations, and other PoE-powered devices. With full-duplex support, priority mechanism, and passive cooling, it is well-suited for both home and industrial applications, providing stable data transmission and power delivery through a single cable.

ESP32-S3-Touch-LCD-2.8-D is a comprehensive solution for building graphical interfaces in IoT applications, portable devices, control panels, and educational projects. The board offers high processing power and extensive communication capabilities, while the included high-resolution touchscreen enables the creation of attractive and interactive user interfaces.

The Adaprox LKWSW201 is a wireless Zigbee switch that enables remote control of devices in a smart home. It features two buttons, each supporting three actions: single click, double click, and long press, allowing you to assign different functions to each button. Powered by batteries (2 x AAA) and with compact dimensions (51 x 51 x 16.5 mm), the switch is easy to install and integrate into home automation systems.

The BleBox shutterBox DIN is a WiFi controller that allows remote control of blinds, shutters, awnings, roof windows, curtains, and projection screens using a smartphone. With the scheduling function and astronomical timer, the device enables automatic opening and closing of covers at specific times or based on sunrise and sunset.

The Extreme Media 3.5 mm stereo minijack cable with a length of 120 cm is a practical solution for connecting audio equipment at home and in the office. Made from high-quality materials with nickel-plated connectors, it ensures a stable connection and long-lasting reliability. The plastic braid further enhances the cable’s durability, protecting it from damage. Natec NKA-0538

The Lanberg USB-C to USB-A 2.0 cable in black, with a length of 0.5 meters, supports Quick Charge 3.0 technology, ensuring efficient charging of compatible devices. Its high-quality construction guarantees reliable data transfer and durability, making it an ideal solution for everyday use. CA-USBO-20CU-0005-BK

The Lanberg USB cable enables seamless communication between devices equipped with a USB-C port and computers via a USB-A connection. Additionally, it supports fast charging compatible with the Quick Charge 3.0 standard. CA-USBO-15CU-0005-BK

The Lanberg USB4 cable is a modern solution providing ultra-fast data transfer speeds of up to 40 Gb/s and support for video resolutions up to 8K. With 100W Power Delivery support, it enables fast charging for laptops and other devices, ensuring maximum performance and reliability for everyday use.  CA-CMCM-45CU-0012-BK

The Lanberg USB-C 3.1 Gen 1 cable, 3 meters long, is a high-quality cable that ensures fast data transfer and reliable device charging. With a solid construction and flexible braided design, it is durable and convenient to use, making it ideal for everyday applications. CA-CMCM-31CU-0030-BK

The muRata CR1220 lithium battery is a 3V button cell with a 40 mAh capacity, used in low-power electronic devices such as remote controls and watches. Its dimensions are 12.5 mm in diameter and 2 mm in height.

The VERGIONIC AG13 (LR44) 1.5V alkaline battery is a reliable power source for small electronic devices such as watches, calculators, and toys. With compact dimensions (11.6 mm diameter, 5.4 mm height), it fits perfectly into many applications requiring button cell batteries. Packed in a blister of 10 pieces, it offers convenience and cost-effectiveness for everyday use.

The 18650 lithium-ion battery with a 3.7V voltage is an efficient power source, ideal for devices such as flashlights, power banks, and laptops. It features a high capacity, ensuring long-lasting performance for the equipment. With its standard dimensions, it is compatible with a wide range of electronic devices.

The GP ZA312 1.4V zinc-air battery (7.9 × 3.6 mm) is designed for hearing aids, providing reliable and long-lasting power. Packed in a blister of 6 pieces, it offers a practical solution for users who need continuous access to a dependable energy source for their devices.

The Akyga AKY2067 3050 mAh, 1.5V alkaline AA (LR6) battery is designed to power everyday devices such as remote controls, flashlights, and toys. It features long runtime, leak resistance, and long-term storage for up to 10 years

Rebel BAT0119B lithium-ion battery for DOVE PRO drone offers a capacity of 1300 mAh and a voltage of 3.7 V, providing efficient power supply and extended flight time. High durability, easy installation, and quick replacement make it a practical choice for any drone user in recreational and training applications.