粤典 (words.hk)香港词
唔使登記同簽約嘅#電話卡（量詞：張） (registration-free prepaid SIM card; literally: space card)
名詞用例
出張太空卡唔怕畀合約綁住。
ceot1 zoeng1 taai3 hung1 kaat1 m4 paa3 bei2 hap6 joek3 bong2 zyu6.
A prepaid SIM card can save you from being stranded by mobile phone contract.