COB Transmitter Module

Model No.:RFM02B
Product Origin:China
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Description:RFM02B is a low costing ISM band transmitter module implemented with unique PLL approach. It works with FSK or ASK modulated signal ranges from 433/868/915MHz bands, comply with FCC, ETSI regulation. The SPI interface is used to communicate with microcontroller for parameter setting. RFM02B works with RFM01 receiver module. At 433MHz band, the pair of module can work up to 300m in the free open air. Features: 1) Low costing, high performance and price ratio 2) Tuning free during production 3) FSK or ASK reception 4) PLL employed 5) Fast PLL lock time 6) High resolution PLL with 2.5kHz step 7) Programmable frequency deviation (from 30kHz to 240kHz, step 30kHz) 8) Programmable output power 9) High data rate: up to 115.2 Kbps with FSK modulation, with ASK modulation 10) Highest data rate is 256Kbps 11) Differential antenna outputs 12) Automatic antenna tuning 13) SPI interface 14) Clock and reset signal output for external MCU use 15) 10MHz crystal for PLL reference 16) Programmable crystal load capacitor bank 17) Wakeup timer 18) Low battery detection 19) 2.2V - 5.4V power supply 20) Low power consumption 21) Stand by current less than 0.3