SRX887 G-NICE | Alldatasheet
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Technical content
www.nicerf.com SRX887 NiceRF Wireless Technology Co., Ltd. Rev 3.0 sales@nicerf.com -2- Catalog Remark: Revision History Version Time Modify V1.0 2015-11 Firstrelease V2.0 2016-7 Modifysomeerrors V2.1 2017-6 Logoupdated V3.0 2019-7-3 UpdateElectricalSpecifications
www.nicerf.com SRX887 NiceRF Wireless Technology Co., Ltd. Rev 3.0 sales@nicerf.com -3- 1. Description SRX887 is a micro power strong driving force superheterodyne receiver module. Has high stability, anti-interference and high cost-effective, but also has a powerful driving force, certified by ROHS, FCC, CE, The module can be connected to the microcontroller directly. So it is more convenient for userdevelopingwirelessproducts. SRX887 is manufactured and tested strictly using lead-free process and complies with RoHS and Reachstandards. 2. Feature FrequencyRange:433/315MHzforoptional Superheterodynemodulation Superanti-powerinterface Standbymodecurrent<1uA Lowselfradiation Frequencystabilityand reliability Variousinternationaltesting standards Smallsize 3. Application Wirelessdoorbell Wirelesssecurityalarm Wirelessindustrialcontrol Wirelessdatatransmission 4. Electrical Specifications Parameter Min. Typ. Max. Unit Condition OperationConditions SupplyVoltage 3.0 5 5.5 V OperatingTemperatureRange -20 70 ℃ Latency 20 ms @315MHz 9 ms @433MHz CurrentConsumption Consumingcurrent 3.7 5 mA @315MHz 5.0 6.0 mA @433MHz ＜1 uA @CS=1Orvacant RFParameters FrequencyRange 433.82 433.92 434.02 MHz @433MHz 314.9 315 315.1 MHz @315MHz
www.nicerf.com SRX887 NiceRF Wireless Technology Co., Ltd. Rev 3.0 sales@nicerf.com -4- Sensitivity -107 -110 dBm @1Kbps Airrate 0.1 9.6 kbps Receiverbandwidth 200 KHz 5. Pin Definitions 6. Antenna The antenna is very important for RF communication, its performance will affect the communication directly. Module needs antenna in 50ohm. Common antenna has rubber straight/ elbow/ foldable rod and sucker antenna and etc. Users can order accordingly.To ensure module in the best performance, wesuggesttousetheourantennas. ★ To ensure modules get the best performance, user must obey the following principles when usingtheantennas： Pin Number Pin Definitions Description
1 ANT Connectwith50ohmcoaxialantenna
2 GND Connectedtopowerground
3 VCC Positivepowersupply
4 CS Lowleveltoenablethemodule,highleveltoentersleepmode
5 DATA Dataoutputpin
6 GND Connectedtopowerground
www.nicerf.com SRX887 NiceRF Wireless Technology Co., Ltd. Rev 3.0 sales@nicerf.com -5- Puttheantennaawayfromthegroundandobstacleaspossibleasyoucould； Ifyouchoosethesuckerantenna,pullstraighttheleadwireaspossibleasitcanbe,thesucker underarchesshouldbeattachedonthemetalobject； 7. Mechanical dimensions (Unit:mm) 8. Order information Forexample:Ifthecustomerneeds433MHz,partnumberofreleasedordershallbe:SRX887-433. Thismodulehasbelowversions： Ordernumber Producttype SRX887-315 315MHzworkingfrequency SRX887-433 433MHzworkingfrequency
www.nicerf.com SRX887 NiceRF Wireless Technology Co., Ltd. Rev 3.0 sales@nicerf.com -6- Appendix 1：SMD Reflow Chart