... current: <30mA; * Transmitting current: ≤50mA; * Sleep current: <30uA; * Power supply: DC 5V; * Carrier frequency: 433/450/868/915MHz optional ... for other format interface; * Modulation: GFSK. Based on the Gaussian Frequency Shift Keying (GFSK) modulation, High anti ... Wireless smart terminal: POS, PDA,* Wireless alarm and security systems , PTZ,* Wireless electronic display screen, LED display,* RS- ...