8 channel with 32sim gsm gateway

 Support 8 channels 32 SIM cards and 4 SIM cards per channel rotation using
 Support 850/900/1800/1900MHz Quad-band GSM network
 Support BTS and carrier change and locked
 Support IMEI and PIN modify
 Support encryption: RC4, VOS and Ejoin private etc, OEM encryption support
 SMS receiving/batch sending, AT command compatible
 Support USSD balance enquiry
 Automatically lock/switch SIM card according to its balance, balance alarm

Our contact information:

facebook id: ejoinchris
website: www.ejointech.com/en
email: sales.w[at]ejointech.com
skype: ejointech.w