#IOT LORA antenna

[rfantennaindia]

[rfantenna]

What is the difference between a Wi-Fi extender and an external antenna?

What is Wi-Fi Extender ?

A Wi-Fi extender, also known as a Wi-Fi repeater or range extender, is a device that helps increase the coverage area of a Wi-Fi network by amplifying the existing Wi-Fi signal from a router or access point and rebroadcasting it. Here's how it works and some key points about Wi-Fi extenders:

Signal Amplification: A Wi-Fi extender receives the Wi-Fi signal from the primary router or access point and then amplifies it before rebroadcasting it. This amplified signal can reach areas of a home, office, or other space where the original Wi-Fi signal might be weak or nonexistent.

Extended Coverage: The primary purpose of a Wi-Fi extender is to extend the coverage area of a Wi-Fi network, allowing devices farther away from the main router to connect to the network with a stronger signal. This is particularly useful in larger homes, offices, or spaces with multiple floors where the Wi-Fi signal might not reach all areas effectively.

Setup: Setting up a Wi-Fi extender typically involves connecting it to the existing Wi-Fi network and positioning it in a location where it can receive a strong signal from the primary router while also providing coverage to the desired area. Most extenders have a setup process that can be completed through a web interface or a mobile app.

Network Name: Wi-Fi extenders often create a new network with its own SSID (network name) and password. Devices can connect to this extended network to access the internet through the extender, but they can also seamlessly switch between the original network and the extended network based on signal strength.

Types: Wi-Fi extenders come in various forms, including plug-in models that simply plug into a power outlet and desktop models that need to be placed on a flat surface. Some models also feature external antennas to further improve signal strength and coverage.

Considerations: While Wi-Fi extenders can be effective in extending Wi-Fi coverage, they may also introduce some latency or signal degradation due to the additional hop in the network. Additionally, the placement of the extender is crucial for optimal performance, as placing it too far from the primary router or in an area with interference can diminish its effectiveness.

What is External Antenna ?

An external antenna is a hardware component that can be attached to a Wi-Fi router, access point, or other wireless device to improve its signal strength, range, and overall performance. Here are some key points about external antennas:

Enhanced Signal Strength: External antennas are designed to improve the transmission and reception of wireless signals. They can amplify the signal strength of the router or access point, allowing it to reach farther distances and penetrate obstacles such as walls and floors more effectively.

Types: There are different types of external antennas, including omni-directional and directional antennas.

Omni-directional Antennas: These antennas radiate the Wi-Fi signal in all directions, providing 360-degree coverage. They are suitable for general-purpose use in environments where Wi-Fi devices are spread out in various directions.

Directional Antennas: These antennas focus the Wi-Fi signal in a specific direction, providing more concentrated coverage over longer distances. They are useful for targeting Wi-Fi signals to specific areas or overcoming signal obstacles.

Installation: External antennas can typically be attached to the router or access point through external connectors, such as SMA or RP-SMA connectors. They may come with mounting brackets or stands for installation on walls, ceilings, or other surfaces. Installing an external antenna usually involves connecting it to the device's antenna port and positioning it for optimal signal reception.

Adjustability: Many external antennas are adjustable, allowing you to change the orientation or angle to optimize signal strength and coverage. By adjusting the antenna's position, you can fine-tune the Wi-Fi signal to better suit the layout of your space.

Compatibility: External antennas are often compatible with a wide range of routers, access points, and wireless devices that support external antenna connections. However, it's essential to ensure compatibility with your specific device and antenna connector type (such as SMA or RP-SMA).

Use Cases: External antennas are commonly used in scenarios where Wi-Fi coverage needs to be extended or improved, such as in large homes, offices, warehouses, or outdoor environments. They can also be useful for overcoming signal interference or obstacles that hinder Wi-Fi performance.

Difference between a Wi-Fi extender and an external antenna -

A Wi-Fi extender and an external antenna serve different purposes in improving Wi-Fi signal strength and coverage, but they can sometimes be used together for enhanced performance.

Wi-Fi Extender/Repeater: A Wi-Fi extender, also known as a repeater, is a device that amplifies an existing Wi-Fi signal and rebroadcasts it to extend the coverage area. It essentially creates a new network with its own SSID (network name) and password, but it relies on the original network's signal as its source. Extenders are particularly useful in large homes or offices where the Wi-Fi signal from the router might not reach all areas effectively.

External Antenna: An external antenna is a component that can be attached to a Wi-Fi router or access point to enhance its signal strength and range. Antennas come in different types, such as omni-directional (which radiate signal in all directions) and directional (which focus signal in a specific direction). By upgrading or adding an external antenna to a router or access point, you can often improve the coverage and reach of the Wi-Fi network.

Key Differences:

Functionality: A Wi-Fi extender works by receiving the existing Wi-Fi signal and rebroadcasting it to extend coverage, while an external antenna enhances the signal strength of the router or access point itself.

Setup: Wi-Fi extenders typically require their own setup process, including connecting to the existing Wi-Fi network and configuring settings. External antennas usually involve physically attaching the antenna to the router/access point, which may require some technical knowledge but typically doesn't involve additional network configuration.

Coverage: Extenders can extend Wi-Fi coverage to areas where the original signal is weak or nonexistent, while external antennas improve the overall coverage of the router/access point itself, potentially benefiting all devices connected to the network.

In some cases, using both a Wi-Fi extender and an external antenna together can provide comprehensive coverage and signal strength improvement throughout a larger area.

[rakwireless]

RaspberryPi 4 Basic Kit is Now Available

The Raspberry Pi 4 Kit is now available Spread the good news or refer it to your friend using our Affiliate Program and get a 5% commission on each kit sold.

Here are the Raspberry Pi 4 Kits we have in store for all of you:

We have three variants and three different options available:

RAK Raspberry Pi 4 Kit is the latest addition to the popular Raspberry Pi series. It offers an excellent increase in processor speed, multimedia performance, memory, and connectivity over the previous generation Raspberry Pi 3 Model B+, while maintaining backward compatibility and similar power consumption.

Build your developer gateway for LoRaWAN® with the RAK Raspberry Pi 4 Kit for LoRaWAN®. It includes a Pi 4 (4 GB), a ready-to-use microSD card with Raspbian OS pre-loaded, a case, a power supply, a RAK2287 concentrator, a PiHAT for the concentrator, and a LoRa® antenna.

The Raspberry Pi 4 Model B (4 GB) is the best single-board computer for developing your IoT project and launching your first LoRaWAN® gateway.

Become a RAKwireless Affiliate and get your own Raspberry Pi 4 Basic Kit here: https://store.rakwireless.com/collections/raspberry-pi

[eteily4]

Eteily is well known brand in India for RF Antennas Radio frequency Antenna. Radio frequencies from DC to 18GHz and RF Families like IoT Antenna, 868MHz Antenna, LoRa Antenna, 433MHz Antenna,5G Antenna, LTE Antenna, 4G Antenna, WCDMA 3G Antenna, 5.8GHz Antenna, 2.4GHz Antenna, Bluetooth Antenna, RF Antenna Solutions, Cellular Antenna, General ISM Antenna, Navigation Antenna, Wi-Fi Antenna, and 802.15 Antenna. 

[g-nicerf]

LoRa126X Series LoRa Modules: Designed Specifically for the Internet of Things

The LoRa1262 is a series of LoRa front-end modules developed by NiceRF Wireless for IoT applications, utilizing Semtech's SX1262 and SX1268 chips. This series features a compact size, low power consumption, and high sensitivity. It is produced and tested in strict compliance with lead-free processes, meeting RoHS and REACH environmental standards. Additionally, the LoRa1262 series has obtained international certifications, including CE and FCC.

LoRa126X Series Models

The LoRa126X series includes four products, covering operating frequencies of 433/490/868/915MHz. Among them, the LoRa1268 can be customized for frequencies ranging from 410-810MHz, and the LoRa1262 can be customized for frequencies ranging from 150-960MHz. Notably, the LoRa1262-868 is CE certified, and the LoRa1262-915 is FCC certified.

Uses LoRa spread spectrum chips

The LoRa126X modules use Semtech's SX1262 and SX1268 chips, which employ LoRa spread spectrum and frequency hopping modulation technology. Their communication range and reception sensitivity far exceed those of existing FSK and GFSK modulation technologies. Multiple transmission signals can share the same channel without interference, providing excellent anti-interference capabilities.

High performance in a compact size

The LoRa126X series module is a high-performance LoRa long-range transmission module featuring a compact size, ultra-low receiving current, and sleep current. It has a built-in 64KHz crystal oscillator that can wake up the microcontroller in low-power mode. The module's antenna switch can be controlled by the module's internal chip, saving external MCU resources. The LoRa126X module, with its compact size and 160mW output power, achieves a receiving sensitivity of -148dBm under LoRa modulation, providing a significant advantage for battery-powered applications.

Low Power Consumption Design

The LoRa126X has two power management modes for receiving current: LDO and DC-DC. In DC-DC mode, the minimum receiving current is 4.2mA for FSK modulation with 4.8 kb/s data transmission. For LoRa modulation with a 125 kHz signal bandwidth at 1.8V, the receiving current is 8.2mA. There are minor variations in the receiving current for both LoRa and FSK modulation under the Boosted setting.

Similarly, in LDO mode, the receiving current is minimized for FSK modulation. With Boosted improvements, the receiving current for LoRa modulation with a 125 kHz signal bandwidth is 10.1mA.

Can be used as a gateway node

The SX126X series modules can serve as LoRaWAN gateway nodes, capable of building LoRaWAN systems with NiceRF's LoRaWAN1302 and LoRaWAN1303 gateway modules. LoRa gateways collect messages transmitted by LoRa nodes and forward these messages to LoRaWAN servers, enabling communication from devices to the cloud.

Features:

Frequency Range：433/490/868/915 MHz （customizable150-960 MHz）

Sensitivity：-148dBm @Lora

Maximum output power：22 dBm（160mW）

Industrial grade high precision crystal oscillator

Lora,(G)FSK

256 bytes FiFo

Data transfer rate：

0.6-300 Kbps @FSK

0.018-62.5 Kbps @Lora

Application scenarios

This series of modules, with its low power consumption, combined with 100mW transmission power and compact size, is suitable for IoT applications such as remote meter reading, remote control, remote telemetry, and more

For details, please click：https://www.nicerf.com/products/ Or click：https://nicerf.en.alibaba.com/productlist.html?spm=a2700.shop_index.88.4.1fec2b006JKUsd For consultation, please contact NiceRF (Email: sales@nicerf.com).

[macnman-techno]

What is the difference between the LoRaWAN wireless module and LoRa gateway wireless transmission technology?

Many individuals find it challenging to differentiate between the LoRaWAN wireless module and LoRa gateway wireless transmission technology, as well as their applications within the realm of IoT.

LoRaWAN specifically pertains to the networking protocol found within the MAC (Media Access Control) layer. In contrast, LoRa serves as a protocol within the physical layer. Although current LoRaWAN networking implementations utilize LoRa as the physical layer, it's worth noting that the LoRaWAN protocol also allows for the use of GFSK (Gaussian Frequency-Shift Keying) as the physical layer in specific frequency bands. From a network layering perspective, LoRaWAN can adopt various physical layer protocols, just as LoRa can serve as the physical layer for other networking technologies.

LoRa, as a technology, falls under the category of LPWAN (Low-Power Wide-Area Network) communication technologies. It represents an ultra-long-distance wireless transmission method based on spread spectrum technology, pioneered and promoted by Semtech in the United States. This approach revolutionizes the previous trade-off between transmission distance and power consumption, offering users a straightforward system capable of achieving extended range, prolonged battery life, and increased capacity. Consequently, it expands the capabilities of sensor networks. Currently, LoRa predominantly operates within free frequency bands globally, including 433/868/915MHz, among others.

On the other hand, LoRaWAN wireless communication stands as an open standard defining the communication protocol for LPWAN technology based on LoRa chips. LoRaWAN defines the Media Access Control (MAC) layer at the data link level and is overseen by the LoRa Alliance. It's crucial to distinguish between LoRa and LoRaWAN because companies like Link Labs utilize a proprietary MAC layer in conjunction with LoRa chips to create more advanced hybrid designs, such as Link Labs' Symphony Link.

LoRaWAN typically employs a star or star-to-star topology, which is generally considered superior to mesh networks due to advantages such as conserving battery power and extending communication range. In a star topology, messages are relayed to a central server through gateways, and each end node can transmit data to multiple gateways. These gateways then forward the data to the web server, where tasks like redundancy detection, security checks, and message scheduling are executed.

In summary, LoRa encompasses solely the link layer protocol, making it suitable for point-to-point (P2P) communication between nodes. In contrast, LoRaWAN includes the network layer, allowing data to be sent to any base station connected to a cloud platform. By connecting the appropriate antenna to its socket, the LoRaWAN module can operate at different frequencies, offering versatility in its applications.

[iot5g]

LIERDA OCB ANTENNA MODULE

LSD4BT-K55 Module

K55 BLE mesh Standard Module (PCB Antenna)

K55 series of low-power Bluetooth module is a high-performance Bluetooth module which is developed based on the Telink low-power Bluetooth SoC TLSR8250 chip. The module adopts the stamp- type and side plug-in interfaces, is exquisite and compact, is fully lead out via ports and convenient to use, and helps the users omit the complicated RF hardware design, development and production links. Therefore, the users can easily realize the development of Bluetooth application programs on that basis, shorten the R&D cycle, and seize the market opportunities. This model is a pure hardware module that excludes any software. If you need the edition with software, please notify in advance.

Key Benefits

Parameter

·Working Frequency Band

-Working frequency band: 2402-2480MHz

·Ultra-low Power Consumption

-Support 1.8V-3.6V powersupply

-Emission current: ≤20mA (10dBm power

configuration)

-Receiving current: ≤6.5mA (overall current)

-Sleep current: 400nA (SRAM notsaving)

·High-link Budget

-Sensitivity-96dBm±1dBm (1Mbps, PER<30.8%)

-Emission power: Max.10dBm

·Memory Resources

-Internal 512kB Flash (the capacity that

the client can actually use is less than

512kB)

-48kB on-chip SRAM, wherein 32kB can sleep and save

·Compatibility

-Designed interface mode with side

plug-in and stamp holes compatible

·Mesh Functions

-Support BLE

-Support the Bluetooth SIG Mesh

-Support the exclusive Mesh of Telink·Communication Interface

-5 PWM / 16 GPIO / 1 UART（Pin

multiplexing）

Application

PC, Tablet, Mobile Phone, Handheld, and Other Low-Power Peripheral Devices

Smart Household Appliances

Smart City

For more information please visit: https://en.lierda.com/

Hope to be your valued supplier from China. CONTACT: AMINA ZHU E MAIL: iotchipm2m@gmail.com WhatsApp: 008615061516896 https://en.lierda.com/

IoTembedded #microcontrollers #sensors #wirelesscommunication #IoTgateways #IoTcloudplatforms #embeddedmicro-controltechnology #RFhardwareR&D #5Gcommunicationsolution #NB-loT #LoRa #Wi-Fi #Wi-SUN #BLE #IOTsystem #semiconductordistribution #cloudpipe-endsolutions #Cat.1 #Wi-SUN #ZigBee #AIrecognition #IoTbasicservice

#IoT  

#InternetofThings 

[biggelectronics]

Exploring LoRa Modules: SX1262, ESP32, and More for Long-Range IoT Communication

In today’s rapidly evolving world of Internet of Things (IoT), the need for wireless communication devices is on the rise. One of the most popular wireless communication technologies used for IoT applications is the LoRa module. In this blog post, we will discuss the LoRa module and its various components such as the SX1262, ESP32, Wi-Fi, Bluetooth modules, and some popular LoRa modules such as the Lorawan-LPS8, Dragino LoRa Bee V1.1, and Hoperf RFM95–98(W).

What is a LoRa Module?

A LoRa module is a low-power, long-range wireless communication module that uses the LoRa modulation technique to enable long-range communication over the air. LoRa stands for “Long Range” and is a proprietary wireless technology that enables long-range communication between two devices without requiring a high-power transmitter or receiver. This technology is designed for low-power, long-range communication with a low data rate, making it ideal for IoT applications.

SX1262:

The SX1262 is a high-performance, sub-GHz transceiver from Semtech that is designed for long-range communication applications. It supports LoRa modulation, as well as FSK, GFSK, and OOK modulation schemes. It operates on the 150–960 MHz frequency range and provides up to 22 dBm of output power. The SX1262 also features a built-in packet handler, CRC, and AES encryption for secure communication. It is an essential component in LoRa modules as it enables long-range communication with low power consumption.

ESP32:

The ESP32 is a low-cost, low-power, Wi-Fi, and Bluetooth-enabled microcontroller from Espressif Systems. It is an ideal platform for IoT applications as it provides a powerful CPU, low power consumption, and built-in connectivity options. The ESP32 supports Wi-Fi 802.11b/g/n, Bluetooth v4.2 and BLE, making it easy to connect to a wide range of devices. It also features an integrated dual-core processor with a clock speed of up to 240 MHz and 520 KB SRAM, making it a powerful platform for IoT applications.

Wi-Fi Module:

The Wi-Fi module is an essential component of LoRa modules as it enables the device to connect to a Wi-Fi network. This connectivity option enables the device to connect to the internet and send and receive data from other devices on the network. The Wi-Fi module can be integrated into the ESP32 or provided as a separate module that can be connected to the device via an interface such as SPI or UART.

Bluetooth Module:

The Bluetooth module is another important component of LoRa modules that enables the device to communicate with other Bluetooth-enabled devices. This connectivity option is ideal for short-range communication between devices such as smartphones, tablets, and other IoT devices. The Bluetooth module can be integrated into the ESP32 or provided as a separate module that can be connected to the device via an interface such as SPI or UART.

Lorawan-LPS8:

The Lorawan-LPS8 is a compact, low-power LoRaWAN module that is designed for IoT applications. It is based on the SX1262 and features a built-in GPS, making it ideal for tracking applications. The module supports LoRaWAN 1.0.2 and provides up to 20 dBm of output power. It also features a built-in antenna, making it easy to integrate into devices. The Lorawan-LPS8 is an excellent choice for applications that require long-range communication with low power consumption and GPS tracking capabilities.

Dragino LoRa Bee V1.1:

The Dragino LoRa Bee V1.1 is another popular LoRa module that is designed for IoT applications. It is based on the Hoperf RFM95–98(W) transceiver and features a built-in ATmega328P microcontroller, making it easy to program and integrate into devices. The module supports LoRa modulation and provides up to 20 dBm of output power. It also features a built-in antenna, making it easy to integrate into devices. The Dragino LoRa Bee V1.1 is an excellent choice for applications that require low-cost, low-power, and long-range communication.

Hoperf RFM95–98(W):

The Hoperf RFM95–98(W) is a high-performance, sub-GHz transceiver that is designed for long-range communication applications. It supports LoRa modulation, as well as FSK, GFSK, and OOK modulation schemes. It operates on the 137–1020 MHz frequency range and provides up to 20 dBm of output power. The Hoperf RFM95–98(W) also features a built-in packet handler, CRC, and AES encryption for secure communication. It is an excellent choice for applications that require long-range communication with low power consumption.

LoRa modules are used in a wide range of IoT applications such as smart cities, smart agriculture, asset tracking, and industrial automation. The low-power, long-range communication capabilities of LoRa modules make them ideal for applications that require remote monitoring and control of devices and sensors.

Conclusion:

In conclusion, LoRa modules are an essential component of IoT applications that require low-power, long-range communication capabilities. The various components of LoRa modules such as the SX1262, ESP32, Wi-Fi, and Bluetooth modules work together to enable long-range communication with low power consumption. Some popular LoRa modules such as the Lorawan-LPS8, Dragino LoRa Bee V1.1, and Hoperf RFM95–98(W) are excellent choices for applications that require low-cost, low-power, and long-range communication. With the increasing demand for IoT applications, LoRa modules will continue to play a significant role in the development of IoT devices and solutions.

[eteily4]

Eteily Technologies India Pvt Ltd | Manufacturer | Telecom Products | India

Eteily is well known brand in India for RF Antennas Radio frequency Antenna. Radio frequencies from DC to 18GHz and RF Families like IoT Antenna, 868MHz Antenna, LoRa Antenna, 433MHz Antenna,5G Antenna, LTE Antenna, 4G Antenna, WCDMA 3G Antenna, 5.8GHz Antenna, 2.4GHz Antenna, Bluetooth Antenna, RF Antenna Solutions, Cellular Antenna, General ISM Antenna, Navigation Antenna, Wi-Fi Antenna, and 802.15 Antenna.