
(The purpose of this YTX300H/YTX300 SPECcovers mainly for the hardware and RFparameterinfo of the module,For software infoplease refer toYX300 chip datasheets anddemo program of YTXDuino (rm) Develo -pmentKit)
1. General introduction
YTX 300H/YTX300module series’ design is based on thehigh performanceCMOSTEK NextGenRF TM YTX300chip, ltoperate at 433/868/915MHz ISM band , The lowreceive sensitivity(-120dBm)coupled with +20dBm(YTX300H)/+13dBm(YTX300)output power ensuresextended range and improved link performance.
2. Features:
140dB maximum link budget.
Low RX current of 7mA.
+20 dBm output power @YTX300H;+13 dBm output power @YTX300Programmable bit rate up to 300 kbps@FSK/40 kbps@OOK
High sensitivity: down to -120dBm.
FSK, GFSK, and OOK modulation.
SMD Package (16x16X1.8
3.Application:
Meter Reading
Wireless data collection
Home automation and
Pin Definition:
YTX300H Pin Definition

FFiigure 1. YTX300H Pin Definition
| 
 Number  | 
 Definition  | 
 Type  | 
 Function  | 
| 
 1  | 
 ANT  | 
 AI/ AO  | 
 RF signal input/output.  | 
| 
 2  | 
 GND  | 
 G  | 
 Ground.  | 
| 
 3  | 
 TX-ANT  | 
 I/O  | 
 Tx Antenna sseelect iinnppuutt ppiinn, When YTX300H is TX state,TX_ANT should be = 0, RX_ANT should be =1  | 
| 
 4  | 
 RX-ANT  | 
 I/O  | 
 Rx Antenna select input pin, When YTX300 IS RX state,RX_ANT should be = 0, TX_ANT should be = 1  | 
| 
 5  | 
 3.3V(VDD)  | 
 PI  | 
 Power supply input,1.8-3.6V.  | 
| 
 6  | 
 GPIO1  | 
 I/O  | 
 General Purpose Digital I/O that may be configured through the registers to perform variousfunctions  | 
| 
 7  | 
 GPIO2  | 
||
| 
 8  | 
 GPIO3  | 
||
| 
 9  | 
 GND  | 
 G  | 
 Ground.  | 
| 
 10  | 
 SDIO  | 
 I/O  | 
 SPI Data input and output.  | 
| 
 11  | 
 CSB  | 
 I  | 
 SPI Chip select input, active low.  | 
| 
 12  | 
 SCK  | 
 I  | 
 SPI Clock input.  | 
| 
 13  | 
 FCSB  | 
 I  | 
 SPI FIFO select input, active low.  | 
| 
 14  | 
 NC  | 
 
  | 
 No Connect.  | 
| 
 15  | 
 NC  | 
 
  | 
 No Connect.  | 
| 
 16  | 
 GND  | 
 G  | 
 Ground.  | 
YTX300 Pin Definition

Figure 2. YTX300 Pin Definition
| 
 Number  | 
 Definition  | 
 Type  | 
 Function  | 
| 
 1  | 
 ANT  | 
 AI/ AO  | 
 RF signal input/output.  | 
| 
 2  | 
 3.3V(VDD)  | 
 PI  | 
 Power supply input,1.8-3.6V.  | 
| 
 3  | 
 GND  | 
 G  | 
 Ground.  | 
| 
 4  | 
 NC  | 
 
  | 
 No Connect.  | 
| 
 5  | 
 CSB  | 
 I  | 
 SPI Chip select input, active low.  | 
| 
 6  | 
 SCK  | 
 I  | 
 SPI Clock input.  | 
| 
 7  | 
 FCSB  | 
 I  | 
 SPI FIFO select input, active low.  | 
| 
 8  | 
 SDIO  | 
 I/O  | 
 SPI Data input and output.  | 
| 
 9  | 
 GPIO1  | 
 I/O  | 
 General Purpose Digital I/O that may be configured through the registers to perform variousfunctions  | 
| 
 10  | 
 GPIO3  | 
||
| 
 11  | 
 GPIO2  | 
||
| 
 12  | 
 NC  | 
 
  | 
 No Connect.  | 
| 
 13  | 
 NC  | 
 
  | 
 No Connect.  | 
| 
 14  | 
 GND  | 
 G  | 
 Ground.  | 
Electrical :
Maximum
| 
 parameter  | 
 minimum  | 
 
  | 
 Unit  | 
| 
 Positive Power Supply  | 
 -0.3  | 
 
  | 
 V  | 
| 
 Voltage O  | 
 -0.3  | 
 + 0.3  | 
 V  | 
| 
 Voltage On Analog Inputs  | 
 -0.3  | 
 + 0.3  | 
 V  | 
| 
 RX Input Power  | 
 -  | 
 
  | 
 d℃Bm  | 
| 
 Storage Temperature  | 
 -55  | 
 + 25  | 
 ℃  | 
| 
 Soldering Temperature(10s)  | 
 -  | 
 + 55  | 
 
  | 
| 
 
  | 
 -2  | 
 
  | 
 KV  | 
| 
 parameter  | 
 minimum  | 
 
  | 
 Unit  | 
| 
 Positive Power Supply  | 
 +1.8  | 
 
  | 
 V℃  | 
| 
 Working Temperature  | 
 -40  | 
 
  | 
 
  | 
| 
 Supply Voltage Slew Rate  | 
 1  | 
 -  | 
 mV/us  | 
DC characteristic
| 
 parameter  | 
 conditions  | 
 minimum  | 
 
  | 
 maximum  | 
 Unit  | 
| 
 YTX300H  | 
 433MHz band, Pout =+20dBm  | 
 -  | 
 75  | 
 100  | 
 mA  | 
| 
 TX WorkingCurrent  | 
 868MHz band, Pout =+20dBm  | 
 -  | 
 80  | 
 100  | 
 
  | 
| 
 
  | 
 915MHz band, Pout =+20dBm  | 
 -  | 
 85  | 
 100  | 
 
  | 
| 
 YTX300  | 
 433MHz band, Pout =+13dBm  | 
 -  | 
 28  | 
 45  | 
 mA  | 
| 
 TX WorkingCurrent  | 
 868MHz band, Pout =+13dBm  | 
 -  | 
 30  | 
 45  | 
 
  | 
| 
 
  | 
 915MHz band, Pout =+13dBm  | 
 -  | 
 30  | 
 45  | 
 
  | 
| 
 YTX300H/YTX300  | 
 433MHz band,  | 
 -  | 
 7  | 
 10  | 
 mA  | 
| 
 RX WorkingCurrent  | 
 868MHz band,  | 
 -  | 
 7.5  | 
 10.5  | 
 
  | 
| 
 
  | 
 915MHz band,  | 
 -  | 
 7.5  | 
 10.5  | 
 
  | 
| 
 YTX300H/YTX300 Sleep Current  | 
 All band  | 
 -  | 
 -  | 
 1  | 
 uA  | 
| 
 parameter  | 
 conditions  | 
 minimum  | 
 typical  | 
 maximum  | 
 Unit  | 
| 
 TX Frequency Range Programmable  | 
 433 MHz band, 868 MHz band, 915 MHz band,  | 
 413 848 895  | 
 - - -  | 
 453 888 935  | 
 MHz  | 
| 
 YTX300H Output Power  | 
 433/868/915MHz band  | 
 -  | 
 +20  | 
 -  | 
 dBm  | 
| 
 YTX300 Output Power  | 
 433/868/915MHz band  | 
 -  | 
 +13  | 
 -  | 
 dBm  | 
| 
 Symbol Rate, FSK Mode  | 
 Programmable  | 
 0.1  | 
 -  | 
 300  | 
 kbps  | 
| 
 SymbolRate, OOK Mode  | 
 Programmable  | 
 0.1  | 
 -  | 
 40  | 
 kbps  | 
| 
 Frequency Deviation,FSK  | 
 Programmable  | 
 1  | 
 -  | 
 200  | 
 KHz  | 
| 
 Frequency Resolution  | 
 
  | 
 -  | 
 24.8  | 
 -  | 
 Hz  | 
| 
 parameter  | 
 conditions  | 
 minimum  | 
 typical  | 
 maximum  | 
 Unit  | 
| 
 RX Frequence Range  | 
 433 MHz band,  | 
 413  | 
 -  | 
 453  | 
 MHz  | 
| 
 Programmable  | 
 868 MHz band,  | 
 848  | 
 -  | 
 888  | 
 
  | 
| 
 
  | 
 915 MHz band,  | 
 895  | 
 -  | 
 935  | 
 
  | 
| 
 RX Sensitivity  | 
 433MHz  | 
 -  | 
 -120  | 
 -  | 
 dBm  | 
| 
 OOK ModeSR =1.2 kbps,  | 
 868MHz  | 
 -  | 
 -118  | 
 -  | 
 
  | 
| 
 
  | 
 915MHz  | 
 -  | 
 -118  | 
 -  | 
 
  | 
| 
 RX Sensitivity  | 
 433MHz  | 
 -  | 
 -118  | 
 -  | 
 dBm  | 
| 
 FSK ModeFDEV = 19.2 kHz, S  | 
 868MHz  | 
 -  | 
 -116  | 
 -  | 
 
  | 
| 
 =1.2 kbps,  | 
 915MHz  | 
 -  | 
 -116  | 
 -  | 
 
  | 
| 
 Receiver Bandwidth  | 
 
  | 
 50  | 
 
  | 
 500  | 
 KHz  | 
| 
 Blocking Immunity  | 
 +/-1MHz offset  | 
 -  | 
 52  | 
 -  | 
 dB  | 
| 
 
  | 
 +/-2MHz offset  | 
 -  | 
 74  | 
 -  | 
 
  | 
| 
 
  | 
 +/-10MHz offset  | 
 -  | 
 75  | 
 -  | 
 
  | 
| 
 Image Rejection Ratio  | 
 IF=280KHz  | 
 -  | 
 35  | 
 -  | 
 dB  | 
Typical A :
Figure 3. YTX300HApplication
Figure 4. YTX300 Application
(Foorr software info please refer toYTX300 chip datasheets and demo program of
YTXDuinoTM Development Kit)
7.(All units in mm)

8.
| 
 Model  | 
 Frequencyband  | 
 O  | 
| 
 YTX300H-433S2  | 
 433MHZ  | 
 
  | 
| 
 YTX300H-868S2  | 
 868MHZ  | 
 
  | 
| 
 YTX300H-915S2  | 
 915MHZ  | 
 
  | 
| 
 YTX300-433S2  | 
 433MHZ  | 
 
  | 
| 
 YTX300-868S2  | 
 868MHZ  | 
 
  | 
| 
 YTX300-915S2  | 
 915MHZ  | 
 
  |