Filter by
Price
0 607
more (-5) ok clear
Manufacturers
more (551) ok clear
Filter

Promotion products

Recomendations

Communication

Products: 353
Loading...

WiFi antenna 3dB SMA male - 52mm

Wi-fi 3 dB antenna with the SMA male connector operating at the 2.4 GHz frequency. The antenna length is 52 mm and a diameter is 10 mm.
5.0 (1)
Index: AKS-10146
Index: AKS-10146
Shipping in 24 hours
Available
Regular price €2.50 Price €2.50

GSM antenna 2.5dB SMA male - 48mm

Antenna operating in the GSM frequency band, it has a male SMA connector. It operates at frequencies from 800 MHz to 1900 MHz. Power gain is 2.5 dB. The length is 48 mm and...
Index: AKS-10140
Index: AKS-10140
Shipping in 24 hours
Available
Regular price €2.90 Price €2.90

GPS/BDS AT6668 - Unit expansion module for development modules M5Stack

Module based on AT6668 and MAX2659 navigation system. The device supports many types of satellite navigation, allows receiving signals from 50 GNSS channels from 6...
5.0 (6)
Index: MSS-18071
Index: MSS-18071
Shipping in 24 hours
Available
Regular price €11.50 Price €11.50

Feather Huzzah ESP32 - WiFi module, Bluetooth GPIO - soldered connectors - Adafruit 3591

The wi-fi module and Bluetooth, based on the system ESP32. On board is 8 GPIO ports with support for I2C and SPI, analog input and a connector with a 3.7 V lipol battery. It...
Index: ADA-10874
Index: ADA-10874
Shipping in 24 hours
Available
Regular price €29.90 Price €29.90

RFID chip - 125kHz 25mm

Small token -  RFID identifier in the form of pill with a diameter of 25 mm. Small size allows for sewing it into clothing or for closing in any case. The carrier frequency...
4.5 (2)
Index: DNG-10707
Index: DNG-10707
Shipping in 24 hours
Available
Regular price €0.90 Price €0.90

RFID identification card S101301B - 13,56MHz and 125kHz - compatible with EM4100 - 50pcs

The  RFID  identifier in the form of a white, plastic card with the size of a credit card. Each chip has a unique code. The device works at a small distance from the reader. It...
Index: SSC-14802
Index: SSC-14802
Shipping in 24 hours
Available
Regular price €68.50 Price €61.65
  • Reduced price
  • SPECIAL OFFERS

RFID keychain S103N-BK - 125kHz - compatible with EM4100 - black - 10pcs

The  RFID  identifier in the form of a black keychain. Each chip has a unique code. It is equipped with a 64-bit of ROM memory. The device works at a small distance from the...
5.0 (1)
Index: SSC-14840
Index: SSC-14840
Shipping in 24 hours
Available
Regular price €4.50 Price €4.50

Feather Huzzah ESP32 - WiFi module, Bluetooth GPIO - Adafruit 3405

The wi-fi module and Bluetooth, based on the system ESP32. On board is 8 GPIO ports with support for I2C and SPI, analog input and a connector with a 3.7 V lipol battery. It...
Index: ADA-10313
Index: ADA-10313
Shipping in 24 hours
Available
Regular price €27.50 Price €24.75
  • Sale
  • SPECIAL OFFERS

WiFi antenna 3dB SMA male - self-adhesive

This 3 dB WiFi antenna with SMA male connector, operates at 2.4 GHz. The energetic gain is 3 dB. It has a layer of adhesive tape. Dimensions: 116 x 22 mm . The cable...
4.8 (5)
Index: AKS-10147
Index: AKS-10147
Shipping in 24 hours
Available
Regular price €4.50 Price €4.50

Ethernet network module ENC28J60 mini

A module that enables the connection of the microcontrollers and development kits , including the Arduino, with the Ethernet network via the SPI interface. The system in...
5.0 (5)
Index: MOD-01512
Index: MOD-01512
Shipping in 24 hours
Available
Regular price €11.50 Price €11.50

WiFi antenna 10dB RP-SMA female - 29cm

WiFi 10dB antenna with a female RP-SMA connector, it works with 2.4 GHz frequency. The length is 290 mm.
5.0 (6)
Index: AKS-10144
Index: AKS-10144
Shipping in 24 hours
Available
Regular price €5.50 Price €5.50

GSM antenna 18x22mm - self-adhesive - 15cm

Antenna operating in the GSM band, it has U. FL connector. It operates at frequencies from 800 MHz to 1900 MHz. It has a layer of self-adhesive tape. Dimensions: 18 x 22 mm....
5.0 (2)
Index: AKS-10143
Index: AKS-10143
Shipping in 24 hours
Available
Regular price €1.50 Price €1.50

GSM antenna 3dB SMA male - self-adhesive

Antenna working in the GSM band with a SMA male connector. It works with the frequency of 433 MHz. The power gain is 3 dB. It has a layer of self-adhesive tape. Dimensions: 116...
5.0 (2)
Index: AKS-10139
Index: AKS-10139
Shipping in 24 hours
Available
Regular price €2.90 Price €2.90

Si4703 development board with FM tuner - SparkFun WRL-12938

The development board with the Si4703 FM tuner. In addition to setting the FM Si4703 station, it can also detect and process radio RDS data, as well as information about radio...
5.0 (1)
Index: SPF-11155
Index: SPF-11155
Shipping in 24 hours
Available
Regular price €31.50 Price €28.35
  • Sale
  • SPECIAL OFFERS

GPS antenna with SMA connector, magnetic mount 3V-5V

GPS antenna with SMA connector, attached on the magnets. Supply voltage from 3 V to 5 V.
4.6 (3)
Index: AKS-10126
Index: AKS-10126
Shipping in 24 hours
Available
Regular price €6.90 Price €6.90

XA1110 - MediaTek MT3333 10Hz GPS module - I2C / UART - SparkFun GPS-14414

GPS module based on MediaTek MT3333 chipset. It communicates via I2C or UART interface. The update frequency is 10 Hz, the sensitivity is165 dBm. The applied system can track...
Index: SPF-10104
Index: SPF-10104
Shipping in 24 hours
Available
Regular price €52.50 Price €47.25
  • Sale
  • SPECIAL OFFERS

WiFi + Bluetooth system BLE ESP-WROOM-32 - SMD - 2.7V-3.6V

The system from the ESP32 family for communication in a wi-fi network in the 2.4 GHz band and the Bluetooth BLE / v4.2 standard. It is powered with the voltage from 2.7 V to...
5.0 (2)
Index: DNG-10018
Index: DNG-10018
Shipping in 24 hours
Available
Regular price €8.90 Price €8.90

ST25DV16K - RFID tag with EEPROM 16kb non-volatile I2C memory STEMMA QT/Qwiic - Adafruit 4701

RFID tag with 16 kb EEPROM memory from Adafruit with STEMMA QT / Qwiic connector. It works with mobile phones and thanks to the I2C interface it can be reprogrammed to...
Index: ADA-17704
Index: ADA-17704
Shipping in 24 hours
Available
Regular price €5.50 Price €5.50

WiFi + Bluetooth BLE ESP-WROVER-E v1.3 - SMD 128 Mb

A chip from the ESP32 family based on the Espressif ESP32 chipset for communication in a WiFi network in the 2 . 4 GHz band and in the Bluetooth BLE / v4.2 standard....
5.0 (1)
Index: UCC-09548
Index: UCC-09548
Shipping in 24 hours
Available
Regular price €5.00 Price €5.00

RFiD keychain - 125kHz - 10szt.

The RFID identifier in the form of a keychain. Each chip has a unique code. The device works at a distance of 2 - 5 cm from the reader , the carrier frequency is 125 kHz....
4.9 (13)
Index: MOD-09413
Index: MOD-09413
Shipping in 24 hours
Available
Regular price €3.90 Price €3.90

GPS USB/TTL module for Raspberry

GPS module based on the L80-R-39 system. It supports 66 search channels and 22 tracking channels. It is working with the voltage of 3.3 V - 5 V. The module has the USB and the...
5.0 (1)
Index: DFR-09383
Index: DFR-09383
Shipping in 24 hours
Available
Regular price €41.00 Price €41.00

Grove - LoRa Radio 433MHz

433 MHz RFM95 radio module of the long range (Long Range: LoRa). It allows for data transmission at the distance of up to 500 m using a piece of wire as an antenna. It a lso...
Index: SEE-09086
Index: SEE-09086
Shipping in 24 hours
Available
Regular price €16.90 Price €16.90

WiFi ESP-32s ESP8266 Adapter

Adapter facilitates the installation of the ESP-32S module on the breadboard. The set includes the goldpin connectors, 2.54 mm pitch for self-soldering and two buttons.
Index: MOD-08894
Index: MOD-08894
Shipping in 24 hours
Available
Regular price €1.00 Price €1.00

RFID keychain S103N-GY - 125kHz - compatible with EM4100 - grey - 10pcs

The  RFID  identifier in the form of a grey keychain. It operates at a frequency of  125 kHz . Each chip has a unique code. It has 64 bits of ROM memory. The device works at a...
5.0 (2)
Index: SSC-14845
Index: SSC-14845
Shipping in 24 hours
Available
Regular price €4.50 Price €4.05
  • Reduced price
  • SPECIAL OFFERS

Wired or wireless?

There is no simple answer to this question, because in reality you need both. Usually, what affects the type of a connection are three main factors: range, bandwidth and environmental conditions. Daily necessities such as your smartphone, tablet or laptop use the Wi-Fi wireless network. On the other hand, it is better to use a wired connection when it comes to desktops, servers, printers, media streams, connected TVs and TV set-top boxes. Both Wi-Fi and wired connections have advantages and disadvantages. The general rule is quite simple - for mobile devices it is better to use wireless connectivity for obvious reasons. Cable would restrict mobility for devices such as drones, robots or smartphones. There are of course exceptions, such as exploratory and underwater robots, where the environment imposes the use of a wired communication. A wired connection also works best if the devices operate at a small range or are generally installed in a fixed location. Then the use of a cable is a much cheaper and simpler solution. For this purpose, mainly serial links are used: RS232, RS485, RS422 or USB.

What is wired connection?

Wired connection is the transmission of data at a distance from point-to-point using a communication channel, such as copper cables, optical fibers or storage media. The data is sent as an electromagnetic signal, most commonly electrical voltage. Telephone networks, cable TV, Ethernet cable connection are the most important examples of wired connection. Analogue transmission is a method of transmitting voice, data, image, signal, or video information over a continuous signal, the amplitude, phase, or other methods. Historically, data has been trafficked non-electronically e.g. visually, acoustically and mechanically. The first applications of electromagnetic transmission were telegraph (1809) and telephone (1906), which operate on digital signals. Computers are wired to peripherals via parallel ports and serial ports such as RS-232 (1969), Firewire (1995) and USB (1996). In our Botland store’s offer you can find all modules supporting these standards. The products come from trusted suppliers and have the best value for money. Check it out yourself!

What is wireless transmission?

Wireless transmission is a data transmission method that use free space (air or vacuum) as a transmission medium. No cable in the form of an electrical conductor (wire) or optical fibre is required for transmission. Wireless transmission is carried out by directional or non-directional electromagnetic waves, with the range of the frequency band used varying from a few hertz (low frequency) to several hundred terahertz (visible light), depending on the application and technology used. Wireless transmission methods are mainly used in applications where wired transmission technologies are not applicable or too expensive, such as satellite communication or radio relay. Further applications can be found in consumer electronics as well as in the industrial sector. Well-known examples are Bluetooth, WLAN, ZigBee, NFC, Wibree, LoRA or WiMAX in the radio frequency range as well as IrDA and optical directional radio (FSO) in the infrared or optical frequency range.