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radio con remodulación en banda base | |||
transpondedor | |||
radio repetidor | |||
contestador de radio |
transponder : 17 phrases in 7 subjects |
Communications | 6 |
Electronics | 3 |
English | 1 |
Information technology | 3 |
Radio | 2 |
Satellite communications | 1 |
Transport | 1 |