Wireless

US$67.50

This complete module is built upon the same technology as the ET-301, but includes on-board voltage regulation, LED status indicator, battery backed RAM, and a built-in patch antenna! 6-pin interface cable included. This EM-506 GPS module is powered by SiRF Star IV, it can provide you with superior sensitivity and performance even in urban canyon and dense foliage environment.

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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$32.13

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$16.39
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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