How much is it to use the mainland mobile phone card to travel to Macao, dial the mainland mobile phone number or send a text message in Macao? Is it expensive?

Because I don't know which company's mobile phone card I use, I have to post roaming charges of three telecom operators in China in Macau, and consult the local telecom operators for specific charges.

China Mobile: Answer 5.99 yuan/minute, dial 6.29 yuan/minute in mainland area code, send 2.69 yuan/message to mainland area code, receive information for free, and use GPRS to surf the Internet at 0.05 yuan /KB. For details, please consult the local 10086 whether there is any discount for roaming in Macau.

China Telecom: Tianyi International Card (new) uses the network of CDMA operator CT Macau to dial the mainland area code of 0.99 yuan/minute, and receives 0.99 yuan/minute, and sends short messages to the mainland area code of 1.29 yuan/to receive information for free. The network fee for the original Tianyi International Card using CDMA operator CT Macau is the same as above. Using the network of GSM operator 3- Macau, dial the mainland area code of 6.89 yuan/minute, receive 3.89 yuan/minute, send short messages to the mainland area code of 2.89 yuan/piece, and receive short messages free of charge. For details, please consult the local 10000 Macau for any discount.

China Unicom: dial the mainland area code of 6.29 yuan/minute, answer it at 3.49 yuan/minute, send short messages with the mainland area code of 2.66 yuan/piece, receive short messages free of charge, and use GPRS to surf the Internet at 0.05/KB. For details, please ask the local 100 10 whether there is any discount for roaming in Macau.