RFM300C-433S2，TRX Module Module With +13dBm Output Power

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（The purpose of this RFM300C spec covers mainly for the hardware and RF parameter info 

of the module, For software info please refer to CMT2300A chip datasheets and demo 

program of HopeDuino Development Kit） 

1. General Introduction 

RFM300C module series’ design is based on the high performance CMOSTEK NextGen RF 

CMT2300A chip, It operates at 433/868/915MHz ISM band, The low receive sensitivity 

(–118dBm) coupled with +13dBm output power ensures extended range and improved link 

performance. 

2. Features 

 140dB maximum link budget. 

 Low RX current of 7mA. 

 +13 dBm output power. 

 Programmable bit rate up to 300 kbps @FSK 40 kbps OOK. 

 High sensitivity: down to -118dBm (433.92MHz). 

 FSK, GFSK, and OOK modulation. 

 SMD Package (16x16x1.8mm). 

3. Application 

 Meter Reading 

 Wireless data collection 

 Automobile security system 

 Home automation and security system