Wireless

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.
Delivery within 2-3 weeks
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