The GSM Wireless Desktop Telephone support 2 SIM card(Not included) with a working frequency GSM 900/1800 MHZ. Easy to setup with no ground wire needed. Phone has a superior service quality with a strong Easy & Simple to Use: Can be put on desk or wall mounted. Widely used in family house, office, hotel or telephone shops etc.
Features include High capacity phone book, SMS functionality, Call history, Caller ID,Loud speaker, Caller ID
it has very loud volume that will make it audible enough in such way that no one can miss a call