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| transceiver | |||
| transponder (A device in a communications satellite that receives a signal and then transmits a reply on a different frequency) | |||
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| transmitter-receiver | |||
| transmissor-recetor: 13 phrases in 4 subjects |
| Communications | 8 |
| Earth sciences | 2 |
| Electronics | 1 |
| Information technology | 2 |