China Unicom 4G Cross Border King Dual Hong Kong Telephone Prepaid SIM Card,Mailand China,Hong Kong,Taiwan,Macau&Japan (HK$100 top up card included) Hong Kong Dual-number Prepaid SIM (Cross Broader King Extra) $6 / month Mobile Service License Fee will be deducted automatically on the first day of each calendar month from your account. Use your SIM to browse Google, Facebook and Twitter, all available in Mainland China! This SIM provides data roaming services via Hong Kong and is free from the "great firewall of China," so browse all you want! This is a 3-in-1 (Nano, Micro and Normal) SIM card, so it can adapt to any SIM size without a SIM card cutter. The seller's original "Setup Guide" (English version) is available. (Note)You need a SIM-free device to use this SIM. (Frequencies and coverage) [China](2G/GSM)900,1800Mhz (3G)2100Mhz (4G/LTE)1800Mhz [Hong Kong](2G/GSM)900,1800Mhz (3G)2100Mhz [Macau](2G/GSM)900,1800Mhz (3G)2100Mhz [Taiwan](2G/GSM)900,1800Mhz (3G)2100Mhz (4G/LTE)1800Mhz