RFM300HW/RFM300W ISM Transceiver Module With +20dBm(100mW) Output Power （ The purpose of this RFM300HW/RFM300W spec covers mainly for the hardware and RF parameter info of the module, For software info please refer to CMT2300 chip datasheets and demo program of HopeDuino TM Development Kit ） 1

General Introduction RFM300HW/RFM300W module series’ design is based on the high performance CMOSTEK NextGenRFTM CMT2300 chip, It operate at 433/868/915MHz ISM band t he low receive sensitivity(–120dBm) coupled with +20dBm (RFM300HW)/+13dBm(RFM300W) output power ensures extended range and improved link performance

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Features: · 140dB maximum link budget

· Low RX current of 7mA

· +20 dBm output power @RFM300HW; +13 dBm output power @RFM300W

· Programmable bit rate up to 300 kbps@FSK/40 kbps@OOK · High sensitivity: down to -120dBm

· FSK, GFSK, and OOK modulation

· SMD Package (16x16X1

8mm) 3

Application: · Meter Reading · Wireless data collection · Automobile security system · Home automation and security system