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| Both sides previous revisionPrevious revision | Next revisionBoth sides next revision | ||
| faq:freedom-from-feedback [2015/04/21 16:21] – hess | faq:freedom-from-feedback [2015/04/21 16:22] – hess | ||
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| Three λ will then be 0.42m i.e. 42cm. | Three λ will then be 0.42m i.e. 42cm. | ||
| + | ===== GSM-R ===== | ||
| For GSM-R Deutsche Bahn requires a decoupling of up to -60 dBm. According to a simulation of one of our antenna supplier a distance of 350 cm is sufficant to fulfill this requirements | For GSM-R Deutsche Bahn requires a decoupling of up to -60 dBm. According to a simulation of one of our antenna supplier a distance of 350 cm is sufficant to fulfill this requirements | ||
| Source: {{: | Source: {{: | ||