Japanese phrase
___では電波が入りますか？ ___ de wa den pa ga hai ri ma su ka
Meaning
Can I get cell reception in ___?
When to use it
Asks whether a location has mobile phone reception. It is a polite, neutral way to check signal availability before making a call or using data.
Example dialogue
地下室では電波が入りますか？ chi ka shitsu de wa den pa ga hai ri ma su ka
Can I get cell reception in the basement?
はい、入りますよ。 ha i hai ri ma su yo
Yes, you can.