Eu acho que é só isso que você tem que viver usando este roteador. Aqui está a cotação de uma das avaliações:
Stability - Well, as noted by the first four paragraphs of this review, stability is the one category the Belkin Wireless N fails miserably in (that and tech support anyway). Aside from the trouble of setting up the wireless to work correctly, however, there is also the problem of random dropped connections, which is fortunately mitigated by the router's ability to reset quickly, but it is still a problem nonetheless.
Aqui é a fonte.
Tudo o que posso sugerir agora é atualizar o firmware no roteador