AFS2-458 module equivalent, 500mw rf power amplifier module.
Pin RF 1 2 3 User 1 2 3 RF Module 1 2 3 Name RF GND Aerial RF GND Vcc 0V TXE RF GND RF in/out RF GND Function RF Ground RF connection to aerial (50 Ω) RF Ground Regulated +5v supply, at <250mA Supply Ground Transmit mode enable (active low, 100K pull.
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