... for wireless transmit module 1, operating voltage: +2.8 VDC ----- +5 VDC (recommended 3.6V)2, work current: (3.2V, 80mA ... )3, the modulation mode: ASK / FSK4, maximum output power: 22dB5, transfer rate: ≤ 20K6, antenna configurations: the standard 50 ohms impedance (433 ...