MINI3120 G-NICE | Alldatasheet
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Technical content
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. sales@nicerf.com TEL:0755 -1- Mini3120 wireless transceiver module Ultra-compactsize,highsensitivity,2kmtransmission distanceinopenareas TCXOCrystalOscillator,withafrequencydeviationstabilityof 0.5ppm Product Specification
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -2- Catalogue Note: Revision History Revision Date Comment V1.0 2025-7 Firstrelease V1.1 2025-8 Updatetheproductdescription
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -3- 1. Descriptions Mini3120 is a high-performance, low-power wireless transceiver chip that supports half-duplex wireless communication. It operates in the 433/470/868/915 MHz frequency bands and can be customized to support frequencies from 190 to 1110 MHz. This chip features strong anti-interference capability,highsensitivity,hightransmissionpower,lowpowerconsumption,andlongcommunication range.Itoffersamaximumreceivingsensitivityof-124dBmandamaximumoutputpowerof20dBm Additionally, it supports various data packet formats and multiple encoding/decoding schemes, allowingforflexibleintegrationintoawiderangeofapplicationscenarios. 2. Features OperatingVoltageRange:2.0-3.8V FrequencyRange:433/470/868/915MHz Sensitivity：-124dBm@2.4Kbps Maximumoutputpower：20dBm Lowreceivecurrent:6.1mA@DCDC Sleepcurrent<1.0uA Datatransferrate:2-500Kbps @2(G)FSK,MSK SupportsRSSIandLQI SupportsAutomaticFrequencyControl(AFC) SupportsDutyCyclereceptionandtransmission SupportsautomaticACK Supportstransparenttransmissionandpacketmode Supportsdatawhitening,FEC,CRC,Manchester encoding,andotherfeatures 3. Applications SmartFactory SmartWaterManagement SmartAgriculture SmartHealthcare SmartCommunity SmartFirefighting 4. Block Diagram
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -4- 5. Electrical Characteristics Parameter Min Typ Max Unit Condition OperationCondition Workingvoltage 2 3.3 3.8 V Temperaturerange -40 85 ℃ CurrentConsumption RXcurrent 6.1 mA @DCDCMode <10 mA @LDOMode TXcurrent <120 mA @20dBm Sleepcurrent <1 uA RFParameter Frequencyrange 408 433 450 MHz @433MHz 470 490 510 MHz @470MHz 850 868 890 MHz @868MHz 900 915 930 MHz @915MHz ModulationRate 2 500 Kbps 2(G)FSK Outputpower -20 20 dBm Receivingsensitivity -124 dBm @DR=2.4Kpbs,Fdev=1.2kHz 6. Typical application circuit
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -5- 7. Pin definition 8. Mechanism Dimension(Unit:mm) Pin NO Pin name IO Description 1 +3.3v ExternalPowerSupplyPositiveTerminal 2,7,15,16 GND ExternalPowerSupplyNegativeTerminal
3 IO2 0-VCC Connect to the chip's GPIO02 pin; refer to the chip datasheet for
4 IO1 0-VCC Connect to the chip's GPIO01 pin; refer to the chip datasheet for
5 IO0 0-VCC Connect to the chip's GPIO00 pin; refer to the chip datasheet for
6 IO10 0-VCC Connect to the chip's GPIO10 pin; refer to the chip datasheet for
8 ANT Connecttoanexternal50Ωantenna
9 IRQ 0-VCC InterruptSignal
10 MOSI 0-VCC SPIDataInputSignal
11 MISO 0-VCC SPIDataOutputSignal
12 SCK 0-VCC SPISerialClock
13 CSN 0-VCC SPIChipSelectSignal
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -6- 9. Product order information Product Name Description Mini3120-433 Workingfrequency433MHz Mini3120-470 Workingfrequency470MHz Mini3120-868 Workingfrequency868MHz Mini3120-915 Workingfrequency915MHz 10. Function Demonstration Board 1. Function Description The Mini3120 wireless module demo board mainly implements bidirectional communication (Master and Slave) in GFSK mode, as well as testing functions for Sleep mode,transmissionpower(TxTest),andreceptionsensitivity(RxTest). Note:Transmissionpowerandreceptionsensitivityrequireinstrument-basedtesting. 2. Key Functions Thedemoboardhasthreebuttons:SET,UP,andDOWN.Theirfunctionsareasfollows: Buttons Functions SETKeyShortPress Confirmorenterthenextleveloftheinterface SETKeyLongPress Returntothepreviousinterface UPKeyShortPress Movecursoruporincreaseparameterby1
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -7- UPKeyLongPress Increaseparameter DOWNKeyShortPress Movecursordownordecreaseparameterby1 DOWNKeyLongPress Decreaseparameter OperationMethod: With normal power supply, toggle the power switch to turn on the device. The LCD screen on the demo board will display the "Setting" interface. Briefly press the UP or DOWN key to move the cursor.When the cursor is on the parameter you wish to modify, press the SET key briefly to make thecursorflash.Then,usetheUPorDOWNkeytoadjusttheparameter.PresstheSETkeyagainto confirmthemodification. To enter the test function corresponding to the "Mode" parameter, long-press the SET key. Briefly presstheSETkeytoreturntothe"Setting"interface. 3. Setting Interface Description Mode:Function FREQ:Frequency POWER:Power DR:DataRate Dev:FrequencyDeviation 4. Communication Test PreparetwoMini3120demoboards—setonetoMastermodeasthecommunicationhost,andthe other to Slave mode as the communication client.(Make sure the communication parameters — FREQ,DR,andDev—aresetidenticallyonbothboards;otherwise,communicationwillfail.) Onthecommunicationinterfacescreen,theTx_cntandRx_cntvalueswillcontinuouslyincrease. A red indicator light signifies a successful transmission, while a blue indicator light indicates a successfulreception.
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -8- 11. FAQ a) Whymodulecannotcommunicateproperly？ 1) Checkifthereispowerconnectionerror； 2) CheckifModuleisinnormalcommunicationmode； 3) Checkiffrequency,channel,andmutearesame； 4) Checkifmoduleisdamaged； b) Whytransmissiondistanceisnotfarasitshouldbe？ 1) Powersupplyrippleistoolarge； 2) Theantennatypesdonotmatch,ornotinstalledproperly； 3) Thesamefrequencyinterference； 4) Thesurroundingenvironmentisharsh,stronginterferencesources.
www.nicerf.com Mini3120 NiceRF Wireless Technology Co., Ltd. Rev 1.1 sales@nicerf.com -9- Appendix : SMD Reflow Chart BelowreflowprofileisrecommendedforSMTtechnology: