The speed of the multi port modem pool:600-900SMS/per port/per hour.
(2G:600SMS, 3G/4G:900SMS) With a very stable and such a big SMS sending capability that you can easily to start your business campain /election campain/our community notification for any activity .
When you use the modem send too much SMS, some device will be blocked due to the operator policies .The modem will work well again after imei numbers changed.
(3)STK USSD Mobile Recharge
You can use sim cards to top up/mobile recharge and check balances business through software or at command.
(4) multiple choice
2G/3G/4G optional, 4 Port/8 Port/16 Port/32 Port/64 Port Optional.
Free Caster Software:Send/Receive bulk sms
Premuim Software : Send/Receive mass sms
1U 2U Modem Pool 4 Port Modem Pool
8 Port Modem Pool 16 Port Modem Pool
32 Port Modem Pool 64 Port Modem Pool
HK BAILING (Hongkong Bailing International Co., Ltd), Located in Shenzhen,China,specializing in M2M Modules and Terminals , bulk sms modem,alarm system enable always-on cellular communications for virtually any IoT or M2M applicationa, bulk sms/voice/calls device and security system. Their rugged design, unparalleled engineering and manufacturing standards make them reliable in the most extreme environments and over the long life of your M2M solution and bulk sms/voice/calls broadcast system and security system.