描述:
RFM02 868MHz ISM Transmitter, HopeRF The RFM02-868 is a low-cost short-range 868MHz ISM-band transmitter module using FSK modulation. Carrier Frequency range: 860.48 to 879.51MHz RF Output Power: 4dBm Modulation: FSK Range at 1.2kbps: 200m 10MHz crystal for PLL reference Programmable crystal load capacitor bank Fast PLL lock time High resolution PLL with 2.5kHz step Programmable frequency deviation (from 30kHz to 210kHz, step 30kHz) Programmable output power Data rate: 115.2kbps Differential antenna output Automatic antenna tuning SPI serial data interface Clock and reset signal output for external MCU use Wake-up timer Low battery detection Power supply: +2.2 to +5.4VDC Stand-by current less than 0.3µA Operating temperature range: -40 to +85℃ Module format: SMD Dimensions: 16.1 x 15.9 x 4.2mm Applications: Remote control, Remote sensing, Wireless data collection, Home security system, Toys, Tyre
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