While it was recognised that spectrum bands used in rural areas have good propagation qualities, they are less suitable for mobile broadband or to address seasonal mobile phone capacity issues.
mewn ardaloedd gwledig ac 'i ffwrdd' o aneddiadau presennol) os nad oes safleoedd addas realistig 'o fewn neu gerllaw' ffiniau aneddiadau ac ar yr amod eu bod yn bodloni meini prawf cynaliadwyedd.