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TEL0116 LoRa Radio Module - 433MHz
US$79.75
LoRa Radio Module is a type of long range low data rate data radio modem based on Sx1276 from Semtech. It is a low-cost sub-1 GHz transceiver module designed for operations in the unlicensed ISM (Industrial Scientific Medical) and LPRD bands. Frequency spectrum modulation/demodulation, multi-channel operation, high bandwidth efficiency and anti-blocking performance make LoRa modules easy to realize the robust and reliable wireless link. The module can work in two different modes: Standard mode and Star network mode. In the standard mode It acts as transparent data radio modem which it communicates with the host at the preset data format without encoding / decoding needed. In start network mode, one module will be the configured to the central node and other modules are set to node modules. The communication between the central module and node module are bidirectional but the node modules can not talk with each other. Please note that the module doesn't contain lorawan protocol. Therefore the star network feature of this module is used with itself protocol so it is not compatible with lorawan.
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TEL0118 Gravity: UART OBLOQ – IOT Module (Microsoft Azure)
US$19.25
If you still don’t know how to play Internet of Things (IoT), the DFRobot OBLOQ module will be ideal for connecting you to the IoT world. The core of IoT is user experience. It integrates embedded system technology, mobile technology and network technology all together, making up a smart system. It unifies hardware, software and network services, makes them become a whole. Gravity: UART OBLOQ module is a WiFi to Serial device. It faces to non-professional developers, supports standard MQTT protocol IOT service such as Microsoft Azure IOT. By OBLOQ module, you can quickly build the IoT applications without having a complex background knowledge of IoT. In this way, makers can really focus on the purpose of creating interesting things on the IoT.
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MOD-BC05-B BC05-B Bluetooth Stereo Audio Receiver Module
US$13.85
This small and powerful device is capable of establishing a connection with any Bluetooth audio devices using A2DP, AVRCP transmission and remote control protocol such as: Bluetooth-enabled mobile phones, Bluetooth stereo audio transmitter module, Bluetooth adapter, etc.
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TEL0122 FireBeetle Covers-LoRa Radio 915MHz
US$31.25
DFRobot FireBeetle series are low power consumption controllers designed for Internet of Things (IoT) development. The FireBeetle series are aiming straight at the point fast and convenient low-power IoT building. There are three categories of FireBeetle series, containing Boards (main control), Covers (expansion boards) and related Accessories.  FireBeetle LoRa 915MHz wireless transmission module adopts a high-performance chip SX127x LoRa 915MHz and with built-in PA (power amplifier) gain, compatible with Aruino. It supports long-range monitor, FSK modulation and the maximum transmission rate is 300K[null bps]. It also supports LoRaTM, the maximum transmission rate is 37.5Kbps. The circuit current is even lower than 0.2uA in the low power mode. It can be widely used in remote home automation detection, health monitoring and wearable device and so on.
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TEL0121 FireBeetle Covers-LoRa Radio 433MHz
US$31.25
DFRobot FireBeetle series are low power consumption controllers designed for Internet of Things (IoT) development. The FireBeetle series are aiming straight at the point fast and convenient low-power IoT building. There are three categories of FireBeetle series, containing Boards (main control), Covers (expansion boards) and related Accessories.  FireBeetle LoRa 433MHz wireless transmission module adopts a high-performance chip SX127x LoRa 433MHz and with built-in PA (power amplifier) gain, compatible with Aruino. It supports long-range monitor, FSK modulation and the maximum transmission rate is 300K[null bps]. It also supports LoRaTM, the maximum transmission rate is 37.5Kbps. The circuit current is even lower than 0.2uA in the low power mode. It can be widely used in remote home automation detection, health monitoring and wearable device and so on.
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852-ADA RP-SMA to uFL/u.FL/IPX/IPEX RF Adapter Cable
US$6.09
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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2479-ADA Adafruit Bluefruit LE UART Friend - Bluetooth Low Energy (BLE)
US$26.95
Would you like to add powerful and easy-to-use Bluetooth Low Energy to your robot, art or other electronics project? Heck yeah! With BLE now included in modern smart phones and tablets, its fun to add wireless connectivity. So what you really need is the new Adafruit Bluefruit LE UART Friend! The Bluefruit LE UART Friend makes it easy to add Bluetooth Low Energy connectivity to anything with a hardware or software serial port. We even have nice hardware flow control so you won't have to think about losing data. Connect to your Arduino or other microcontroller or even just a standard FTDI cable for debugging and testing.
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XB24CZ7WIT-004 Emitter-Receiver RF Module Standard 802.15.4 Wire antenna integrated
US$54.55
This RF module provides cost-effective wireless connectivity to electronic devices. They are interoperable with other ZigBee PRO feature set devices, including devices from other vendors.
Delivery within 2-3 weeks
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WL-SYN115 443 MHz SYN115 Wireless Transmitter Module
US$4.19
This is a high performance, easy to use, 433 MHz ASK Wireless transmitter that is ideal for consumer and industrial applications such as remote controlled electronics applications, wireless data transfer applications, mobile robots etc.
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SENS-I-15 Serial IR Transceiver
US$5.59
This IR transceiver module is equipped with a 38K infrared transmitter and receiver supporting NEC code (infrared transmission protocol) for transmitting and decoding. Serial communication interface can be easily connected to your microcontroller or computer, then control the NEC-code-controlled devices like TV, cooling fan, air conditioner etc...
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GK-KIT-M590E D.I.Y Neoway M590E GSM/GPRS Shield
US$5.49
This is an very inexpensive and pretty cool soldering kit. If you solder this board correctly you should have a valuable and functional GPS shield for your Arduino based projects. This GPS shield is based on the neoway M590E GPS that offers u.FL connection or a provided coiled antenna. You can send and receive data via UART or TTL both on 5V. This board is designed for GSM spectrum of 900-1800MHZ.
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ANT-25 GSM/GPRS/3G PCB Antenna with u.fl/IPEX Connector
US$2.79
This PCB board has traces inside that make it act as an antenna. If you have an Arduino or microcontroller that could use a external antenna for better reception, we suggest trying this board first. This board has a 15cm wire with a U.FL connector at the end, it is also known as the IPEX connector. It also comes with a double side tape stuck on one side for easy mounting.
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WIFI-ESP-01S ESP8266 Wireless Single Relay Breakout Board
US$4.89
This is a neatly designed board that offers the ability to connect your esp8266 directly onto the yellow female pin sockets and have a wireless preprogrammed relay working. Note: you need to purchase an ftdi programmer, flash the ESP with Arduino bootloader, write your Arduino code to toggle the relay when a wireless signal is received and then use this product to connect onto the esp8266 to wait for a signal to toggle the relay from your app or device. The added bonus is you can create your own encrypted automated home system that runs on your own protocol. The board will require an external 5v to power the board that can be tighten with the screw terminal blocks. You can use the relay to act as a switch and turn on or off devices that run at a max of 5amps 120VAC. (note the relay may state 10amps, but we think the copper trace and screw terminal can only provide up to 5A ~6A safely). It also includes a reset button, so if the program hangs you can reset the device.
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ANT-21 2.4GHz linear Dipole Antenna - u.Fl (IPX) connector
US$1.39
Like any antenna, this product is designed as a specific length of wire that is exposed for radio frequencies to be emitted or received. This antenna also known as a micro linear whip antenna is an excellent choice for light weight applications or for neatly hiding your antenna in limited space. You can find these antenna in any transmitters that do not have a removable modem. They connect onto to any u.Fl ports, do take precautions as the connector is not designed for removal and re-insertion for more than several times. This antenna is designed for operate at 2.4ghz frequencies at a quarter wavelength and the cable that extends before being exposed is shield with a special RG178 coax cable!
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TEL0120 DFRobot BLE4.1 Module
US$26.25
BLE4.1 Module is DFRobot newly developed Bluetooth 4.1 transmission module, adhering to the same usage of Bluno, and increasing the star network function, KISS connection (Approach Connection). The new Bluetooth is designed based on BLE 4.1 technology. It has low power consumption and other special features. In the BLE transmission, the point-to-point output rate is 4Kbps, equivalent to the original Bluno twice the rate.
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