This is the 17084th most frequent Russian word.
спутниковых
"Спутниковых" means "satellite" (adjective).
Here 'спутниковых' is used as an adjectival form of 'спутниковый' relating to satellites, describing 'сигналов' (signals).
Частота спутниковых сигналов влияет на качество связи.
The frequency of satellite signals affects the connection quality.
In this context, 'спутниковых' characterizes 'комплектующих' (components) as being related to satellites.
Производство спутниковых комплектующих требует высокой точности.
Production of satellite components requires high precision.
In this sentence, 'спутниковых' modifies 'систем' (systems), indicating a relation to satellites.