transmitter

noun
1
a piece of equipment used for sending electronic signals, especially radio or television signals
فرستنده, ارسالگر, مخابره‌کننده
compare receiver
2
a person or thing that transmits something from one person or thing to another
فرستنده, انتقال‌دهنده, ارسال‌کننده, منتقل‌کننده
Emphasis was placed on the school as a transmitter of moral values.