4pcs Arduino Uno RF4432F27+Straight Antenna 500mW 27dBm 2.5km 433/470/868/915mhz RF Front end Transmitter and Receiver Module |

4pcs Arduino Uno RF4432F27+Straight Antenna 500mW 27dBm 2.5km 433/470/868/915mhz RF Front end Transmitter and Receiver Module |

4pcs/lot RF4432F27+Straight Antenna 500mW 27dBm Long Distance Reliable RF Front end Transmitter and Receiver Module

4pcs * RF4432F27 (Pls advice us which frequency band you need)

4pcs * Straight rod antenna (Frequency according to the module you choose)

4pcs * SMA extension coaxial cord

(Pls advice us which frequency band you need)

For example:

If the customer needs the patch module small crystal 433MHZ band module that order Model: RF4432F27 - 433

RF4432F27 products following models:

RF4432F27 is 500mW RF module embedded with amplifier and LNA circuit. High quality of component, tightened inspection and long term test make this module reliable for long time, long distance communication in varies environment.

RF4432F27 adopts Silicon Lab Si4432 RF chip, which is a highly integrated wireless ISM band transceiver. The features of  high sensitivity (-122 dBm), +27 dBm output power, 10PPM crystal, and good RF matching circuit make this module work well in hot/cold environment with reliable communication and long distance.

Features 

• Frequency Range: 315/433/470/868/915MHz
• Sensitivity up to -122 dBm 
• Data transfer rate: 0.123-256 kbps 
• FSK and GFSK Modulation mode 
• 1.8-3.6 V Power supply
• Ultra-low consumption shutdown mode 
• Digital received signal strength indicator (RSSI) 
• Time wake-up function 
• Excellent antenna match circuit and bi-direction communication
• Configurable packet structure 
• 64-byte transmit and receive data FiFo 
• Low battery detection 
• Temperature sensor and 8-bit analog-to-digital      converters 
• 10PPM crystal with operating 
• Temperature Range: -40 ~ + 85 °C 
• Integrated voltage regulator 
• Frequency hopping 
• Power-on reset function
• Built-in crystal adjustment function
• Preamble detection

• Remote control                             
• Remote meter reading
• Home security alarm and remote keyless entry          
• Sensor networks
• Industrial control
• Tire Pressure Monitoring                           
• Home automation telemetry
• Health Monitoring
• Personal data records
• Wireless PC peripherals
• Toy control
• Tag reader

Electrical Specifications

Product show

Schematic:

Pin definition

Mechanical dimension

Our company is engaged in researching, developing, producing and selling IOT(internet of things) products. We devoted ourselves on providing good RF modules, walkie talkie modules and integrated digital sensor modules. Meanwhile, ODM and OEM projects are welcomed. With more than 10 years experience of product design in RF and sensors, we have earned a good reputation among our customers. 

Shipping

1.  Items will be shipped within 3~5 days after we receive the full payment.

2.  We do not guarantee delivery time on all international shipments due to differences in customs clearing times in individual countries, which may affect how quickly your product is inspected.

3.  If you do not receive item within 60 working days (10 weeks), please contact us to investigate the case.

4.  Please note that buyers are responsible for all additional customs fees, brokerage fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.

We can provide EMS, DHL, Fedex, TNT China Register Post Air Mail and etc.

* All free shipping on our store are mostly China Registered Post Air Mail.

* If you need fast shipping like DHL or other, you will need extra payment, pls contact sales to evaluate the price.

With three protections

* Poly bag to cover

* Bubble bag to protect

* Finally, yellow carton for deliver

1.  We appreciate your order and and we do our best to serve you.

2.  We offer an instant 7 days return policy (7 days after we receive the items).

3.  The returned item has to be in its original condition.

4.  We are able to refund your money without shipping cost.

2.  If you have any problems with our items or services, please feel free to contact us first before you leave negative feedback. We will do our best to solve any problems and provide you with the best customer services.

3.  For any question, pls feel free to contact us by  emai l or via  TradeManager.

d) Why should I use antennas?

The antenna is important in the communication. For this module, the match impedance is 50 Ohm. We have many kinds of antenna for customer to choose, please contact the corresponding sales engineer for help, or find the antenna in our website.

e) What kind of USB bridge board should I use?

The USB Bridge is useful for customers to configure the parameters and simply to do communication test with PC.