Wireless

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US$13.78
This device allows users to connect their XBee and interface by using a simple USB Cable. The unit comes with voltage protection and regulation circuits to prevent any damage to the XBee. It also has the FT232 from FTDI to allow easy connection to any Windows/Apple or Linux computers. This device can also be used as a FTDI programmer for Arduino Micro.
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US$13.98
This is an Arduino and Raspberry pi compatible 2.4Ghz Wireless Transceiver. It allows you to send and receive data from a distance of 800+ meters in the light of sight. This board comes with a RFX2401C chipset that offers power amplification and low noise amplification in one tiny unit. Using SPI Protocol you can communicate to this device and send/receive commands at a rate of 250kbps – 2Mbps. This unit comes with a 2.4Ghz 2.2 dBi Antenna.
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US$1.53
If you are planning on purchasing an ESP8266 you will often find yourself wondering on how to interface this component into your projects or breadboard. This breakout board changes the small spacing on the ESP to a wider spacing compatible for the breadboards. It also has a trace on the back that allows users to surface mount voltage regulators to protect their ESPs. It also comes with header pins that require soldering.
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US$15.95
Sending data over long distances is like magic, and now you can be a magician with this range of powerful and easy-to-use radio modules. Sure, sometimes you want to talk to a computer (a good time to use WiFi) or perhaps communicate with a Phone (choose Bluetooth Low Energy!) but what if you want to send data very far? Most WiFi, Bluetooth, Zigbee and other wireless chipsets use 2.4GHz, which is great for high speed transfers.
Delivery within 2-3 weeks
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US$13.93
Core51822 is a wireless module based on nRF51822 - the Multiprotocol Bluetooth® 4.0 low energy/2.4 GHz RF SoC designed for ULP (ultra low power) wirelesss applications. Features include: 2.4 GHz multiprotocol RF transceiver, ARM® Cortex™-M0 32 bit processor, 128 bit AES HW encryption, 256kB flash & 32kB RAM, Programmable Peripheral Interconnect (PPI), Digital interfaces: SPI, I2C, UART, 10 bit ADC.
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US$31.80
A powerful Digital Video Broadcasting – Terrestrial and Software-defined Radio Tuner is a great device to listen to radio channels or watch digital video channels using your computer.
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US$3.21
This small module makes connecting a wifi transceiver to a project way easier! It converts logic from 5V down to the 3.3 used by the NRF24L01+ moduleslike the WIFI-ESP8266, and labels the pins for an easier connection.
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US$6.29
This is a GSM antenna with SMA connector. Its magnetic base can be easily adsorbed on the surface of ferrous material. The working frequency 900-1800 MHz meets the most requirements of GSM application. This Antenna extension cable uses 174 pure copper material, which has less impedance than the other cable. The antenna signal gain could arrive 2.5dBi.
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US$5.59
This is a small built-in spring GSM antenna with IPX connector. Its working frequency is 900/1800 MHz, which meets most requirements of GSM applications. Its very compact size makes it easy to carry and use.
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US$19.24
Sonoff RF switch is a Sonoff version with a 433MHz RF receiver module inside. This wireless switch can be used together with the RF remote controller, which enables you to control appliances in indoor environment. The remote control switch allows users remote turn on/off connected appliances via app EWeLink from anywhere in the world. Sonoff wireless power switch is an affordable device that provides users with smart home control. It is a wireless electrical switch that can connect to a wide range of appliances. Sonoff wireless switch transmits data to a cloud platform through the WiFi Router, which enables users to remotely control all the connected appliances, via the APP eWeLink. The cloud server of Sonoff RF is Amazon AWS global server. Sonoff RF switch makes all home appliances smart. As long as the mobile phone has 2G/3G/4G/WiFi network, users can remotely control the appliances by turning them on off from anywhere at any time. Another feature available is to set timing schedules for the appliances, which can include scheduled/countdown/loop timers, and can thus, help users maintain an easy life.
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US$75.76
This ANT500 is a telescopic antenna designed for operation from 75 MHz to 1 GHz with a total length that is configurable from 20 cm to 88 cm long. Each ANT500 is constructed of stainless steel and features an SMA male connector, rotating shaft, and adjustable elbow.
Delivery within 2-3 weeks
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US$570.93
This is the HackRF One, a Software Defined Radio (SDR) peripheral capable of transmission or reception of radio signals from 1MHz to 6GHz. Designed to enable test and development of modern and next generation radio technologies, HackRF One is an open source hardware platform that can be used as a USB peripheral or programmed for stand-alone operation.
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US$7.62
These Simple RF receivers are the easiest way possible to add wireless control, painlessly! There's no programming, configuring or addressing - simply power the receiver with 5-10VDC and press the buttons on our matching RF keyfob remote. When the A button is pressed, it activates the first pin, when the B button is pressed, it activates the second one, and so forth for all four buttons. There's no microcontroller required, its just a simple one-to-one link.
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US$12.17
This 4-button keyfob remote goes with our three basic 315MHz RF receiver modules. It will work with all of them, sending out one of four commands that match up with the four outputs. Its small and light weight and will work up to 25 feet away depending on line-of-sight and obstructions. Since this is just a transmitter, if you have multiple receivers, it will turn all of them on and off at the same time (there is no sub-addressing).
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US$23.79
This board is embedding GPS module and antenna in a small foot-print module. You can wire it ton an Arduino or Raspberry Pi to retrieve geographic coordinates (latitude and longitude, altitude), speed, heading and GMT time. Just plug it in and USB to Serial Adapter, open a Serial Monitor, and it’ll start sending coordinates to the computer!
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US$31.80
This device is a simple audio amplifier that is based on the TDA7492P IC and uses high quality surface mount components. Plug in anywhere from 8 to 25 volts in the DC Jack, use your android, Iphone or Computer to pair with this device like any other Bluetooth device and play music anywhere within 20 meters! No software downloading or uploading required. Connect the left and right speaker to the green terminal blocks and enjoy high quality audio from this credit card size device.
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US$6.99
This unit contains a single IC chip with three pins as the transmitter and a single four pin IC for the receiver. Plug the transmitter to a microcontroller and the receiver to another, send long distance code or commands. This unit can send information through walls with a range of less than 200m. You are required to use a small 22 – 24 AWG cable and insert the stripped cable into the through-hole labelled ant to increase the range.
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US$6.99
Small generic transceiver module in the 2.4Ghz range with low power consumption, GFSK modulation and on-board antenna, in a small package communicating over serial. This module is useful for transmitting and receiving data for microcontroller based projects. 
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US$10.36
This unit contains a single IC chip with three pins as the transmitter and a single four pin IC for receiver. Plug one end to a microcontroller and the other to another, send long distance code or commands. This unit can send information through walls with a range of less than 200m.
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US$13.99

BLE400 Features: Onboard battery holder, multi power supplies are available. All the IOs are accessible for easy expansion. Integrates CP2102 for debugging. LEDs and user keys, compatible with other official boards, easy to use.

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US$12.53
Features: With Logic Level Converter (3.3V to 5V or 1.8V to 5V or 1.8V to 3.3V). With CC1101 module connecter. Provide maximal 800mA under 3.3V. 4 indicator LED ( RSSI, ASS, Din, Dout) for XBee. Switchable of communication with FTDI-USB /Base board. Full 2.54mm break out for XBee. With wireless program hardware interfaces. Reset button for base board. Stackable interfaces.
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US$17.05
This device is great for surface mount projects that require Bluetooth connectivity or by creating your own expansion board to install in your projects using pin headers. Support serial communication, ultra-low standby power consumption and is packed in a small package.
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US$22.75
This Bluetooth device is the HM-10 Module that is rated for Bluetooth 4.0, it comes with a logic level converter so you can plug your Arduino Uno to this device, but you need a USB to TTL Converter to do so! The device comes heatsinked in transparent heat shrink to protect the device from ESD.
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US$13.93
This device adds Bluetooth connectivity to your RPi, Laptop, Desktop or any other related project that has a USB port. A simple plug and play device that was tested for windows 10.
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US$13.93
Add Bluetooth connectivity to your project! Operates from 3.6v to 6v, which means you can use interface this simple device to any micro controllers.  The added simplicity of the four pre-soldered connectors results in a very easy n' quick plug and play for any future projects.
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US$13.93
Add Bluetooth connectivity to your project! Operates from 3.6v to 6v, which means you can use interface this simple device to any micro controllers.  The added simplicity of the four pre-soldered connectors results in a very easy n' quick plug and play for any future projects. Comes pre-soldered with six pins only need VCC - RX - TX & GND to get it operational.
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US$26.87
Features: 4 Relay Module w/2 Remote Controls. Remotely control up to 4 devices up to 200 meters away. Four 10 Amp relays rated at 125VAC with two separate remotes. Extremely easy to set up and use. Perfect for domestic applications such as remote lighting and appliance control, up down control for motorized window shades, electric door entrance access, etc.
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US$28.75
GPS Receiver for Arduino is a unit embedding GPS module and antenna in a small foot-print enclosure. By using TinyGPS library, Arduino can retrieve geographic coordinates (latitude and longitude, altitude), speed, heading and GMT time.
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US$8.67

Wow that's a tiny GPS antenna! This passive antenna is only 9mm x 9mm x 6.5mm in size, with a 50mm long uFL cable. Great for when you want to keep things small. Comes with a standard uFL connector on the end.

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US$30.00
This is designed for the XBee module configuration parameters to facilitate using or to work as a FTDI writer. The new version of Xbee USB adapter is also welded with the female pin for FTDI so that users can directly use the adapter as a FTDI program writer, such as Arduino FIO/pro/mini、lilypad Arduino and so on.
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US$6.03
At just 75mm long from tip to tip and and with a thickness of just 2mm, this 3dBi GSM antenna is slim, compact and sensitive, with a 3dBi gain.
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US$45.22
This is a simple to use, USB to serial base unit for the Digi XBee line. This unit works with all XBee modules including the Series 1 and Series 2.5, standard and Pro version. Plug the unit into the XBee Explorer, attach a mini USB cable, and you will have direct access to the serial and programming pins on the XBee unit.
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US$8.67
This 2.4"/61mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device.
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US$9.87
This 2.2"/57mm long antenna has 2dBi of gain and 50Ω impedance so it will work fantastically with just about any 850/900/1800/1900/2100 wireless receiver/transmitter such as any Cellular or GSM/GPRS device.
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US$8.56
This is a basic SMA (Sub-Miniature A) male to female connector cable. Each cable is 25cm (9.8") long and has a 50Ω impedance that can handle frequencies up to 17 GHz. 
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US$9.73

This is a great inexpensive option for wireless communication; it's an ISM band FSK transceiver module implemented with a unique PLL. These modules operate in the 434MHZ band and fully comply with FCC and ETSI regulations.

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US$41.93

It's based on RoyalTek REB-4216 GPS module, and the footprints is compatible with Arduino/MEGA boards. The regular GPS pins (RX, TX) can be connected to D0-D7 of Arduino. Adding GPS to your Arduino has never been easier. Multiple GPS receivers attach easily to the shield, and with the example sketch (check below), you will be able to locate your exact position within a few meters. Here's where we are. GPS also gives you amazingly accurate time!  It’s suitable for the following applications with Arduino or Arduino compatible boards : Automotive navigation, Personal positioning, Fleet management, Marine navigation.

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US$2.41
uFL connectors are very small surface-mount parts used when an external RF antena is desired but a big bulky SMA connector takes up too much space. We use this part on our GPS and WiFi boards, they're great!
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US$90.93
This is very similar to our BlueSMiRF modem, but it is designed specifically to be used with our Arduino Pros and LilyPad Arduinos. These modems work as a serial (RX/TX) pipe, and are a great wireless replacement for serial cables. Any serial stream from 2400 to 115200bps can be passed seamlessly from your computer to your target. We've tested these units successfully over open air at 350ft (106m)!
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US$39.13
This uses a unique double-board design, it is beautiful and aim to prevent electrostatic damage to the module. It is designed to have 2 DC power input, wide voltage supply (3.5V ~ 8V) and 3.3V power supply, suitable for various applications.
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US$9.17
If your receiver/transmitter/transceiver has an MCX connector but you really want to tie it to a BNC antenna, this dongle will do the trick!
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US$22.33
This shield allows an Arduino board to communicate wirelessly using Bee compatible modules (like Zigbee or BlueTooth Bee). It is designed to be used with Xbee module from MaxStream. It can be used as a Serial Port / USB replacement. It is used to connect two Arduino using Zigbee / Bluetooth Bee or connect a Arduino with PC Wirelessly. 
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US$17.42
This is a basic charger set, and it does work, providing 3.3V DC output from the output half when the input half is powered with 9V to 12VDC. You can draw as much as 500mA if the coils are 2 or 3 mm apart.
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US$17.42
This is a basic charger set, and it does work, providing 5V DC output from the output half when the input half is powered with 9V to 12VDC. You can draw as much as ~500mA if the coils are 2 or 3 mm apart. If you only need 100 or 200mA you can be up 7mm apart.
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US$12.17
This 2-button keyfob remote goes with our three basic 315MHz RF receiver modules. It will work with all of them, sending out one of two commands that match up with the last two of four outputs.
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US$20.93

This is an 802.11n wireless adapter with antenna, which allows you to connect your Raspberry Pi or BeagleBone Black to a Wi-Fi network.

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US$39.94
We found the smallest wireless USB keyboard available, a mere 6" x 2.4" x 0.5" (152mm x 59mm x 12.5mm)! It's small but usable to make a great accompaniment to a computer such as the Beagle Bone or Raspberry Pi. The keyboard itself is battery powered (there's a rechargeable battery inside that you charge up via the included USB cable).
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US$18.15

This is a useful tool that allows to connect Personal Computers or a microcontroller in wireless networks using the famous XBee wireless modules. Connection is done via USB port and when you plug the board into the USB port, the PC system will recognize it as a serial VirtualCOM Port (VCP) which will realize the communication with the XBee module.

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US$6.08
This RF adapter cable is super handy for anyone doing RF work. Often times, small electronics save space by having a pick-and-placeable u.FL connector (also called uFL, IPEX, IPAX, IPX, MHF, and AM). But most antennas have SMA or RP-SMA connectors on them. This little cable will bridge the two! 
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US$19.72
This takes care of the 3.3V regulation, signal conditioning, and basic activity indicators (Power, RSSI and DIN/DOUT activity LEDs). It translates the 5V serial signals to 3.3V so that you can connect a 5V (down to 3.3V) system to any XBee module.
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US$48.93
This  is a slim GPS module with -161dBm tracking sensitivity and only 27 second cold start time. The slim design makes it ideal for applications where you don't have a lot of space to work in. Really it's quite small. This 50-channel GPS module has an antenna on board and connects to your system via TTL serial.
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US$27.93
This is a simple serial to USB board that works with the nRF24L01, nRF2401A, and RF-24G Nordic transceivers. Comes with an ATMEGA328 preloaded with code that allows the transceivers to act as pass through serial devices (sends 4 characters at a time).
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US$172.50
The LEA-6H is a high performance stand-alone GPS and GALILEO receiver module designed to allow easy, straightforward migration from its LEA-4 predecessors. It features u-blox' KickStart weak signal acquisition technology, as well as flexible connectivity options. The LEA-6H comes with built-in Flash memory that enables firmware updates and the storage of specific configuration settings in a non-volatile RAM.
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US$6.25
Need a small and portable Bluetooth adapter, this unit offers all the standard features of a Bluetooth 2.0 device jam packed into a small device. Supports connecting wireless headsets, Lan based P2P networking, file transfer and etc,. Plug into any Windows or Mac devices and install the driver to get it up and running!
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US$22.67

This GPS antenna draws about 10mA and will give you an additional 28 dB of gain. It's got a 5 meter long cable so it will easily reach wherever you need it to. The antenna is magnetic so it will stick to the top of a car or truck (or any other steel structure).

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US$61.52
It's got everything you want and more: -165 dBm sensitivity, 10 Hz updates, 66 channels. 5V friendly design and only 20mA current draw. Breadboard friendly + two mounting holes. RTC battery-compatible. Built-in datalogging. PPS output on fix. Internal patch antenna + u.FL connector for external active antenna. Fix status LED. New! Version 3 comes with the latest module which has external antenna support and Pulse-Per-Second output.
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US$27.93
This is a general-purpose programmable module featuring a 2.4 GHz radio and USB.
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US$32.13

This is a general-purpose programmable module featuring a 2.4 GHz radio and USB. You can write your own software or load precompiled, open-source apps onto the TI CC2511F32 microcontroller at the heart of the Wixel, turning it into a wireless serial link, data logger, or whatever you need for your current project.

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US$18.13

This is a shield that allows you to interface Wixel wireless modules to your Arduino (and other compatible products), enabling simple wireless programming, debugging, and control using standard Arduino software.

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US$104.14

This GPS receiver is a complete GPS smart antenna receiver, that includes an embedded antenna and GPS receiver circuits. This low-cost unit outputs an astounding amount of position information 5 times a second. The receiver is based on the proven technology found in LOCOSYS 66 channel GPS SMD type receivers that use MediaTek chip solution.

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US$7.62

This is a 1.75 inch communication cable that connects the EM406 and the EM401.

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US$6.17

This is a 1 foot communication cable extension that mates with the EM406 and EM401.

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US$47.53

This is a standalone, complete TCP/IP wireless networking module. Due to its small form factor and extremely low power consumption, it is perfect for mobile wireless applications such as asset monitoring, sensors, and portable battery operated devices.

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US$83.93

This is a 2.4GHz XBee Pro 50mW module with a reverse polarized sma connection. The new Series 2B improves upon the power output and data protocol of the Pro Series2. Series 2B modules allow you to create complex mesh networks based on the XBee ZB ZigBee mesh firmware. 

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