Sell Low price 16 port gsm multi sim card modem for bulk sms stk mobile recharge sms sending device best price

Low price 16 port gsm multi sim card modem for bulk sms stk mobile recharge sms sending device Based on Brand New wireless Wavecom industrial-grade chipset, 220V power supply, can be a long time stability, generous luxury housing. Can insert 16 SIM cards(big or small). Just like 16 single-channel equipments send messages at the same time Connect computer with a Durable and Portable usb data line Each channel with separate power switch, Easy to Handle and Control, Ports support hot-swapping Professional Technique Person Provide Free After Sales Service Online by teamviewer , One Year Warranty time and lifelong maintenance. If you want to know more about item, please inquire or send message on aliexpress. ( TradeManager:  cn1510960306   Ginny wun) Parameter: Dual-band GSM: 850/900/1800/1900MHz  Frequency  Power Supply: 5-24V DC Input voltage: 100 to 240V Operating Temperature: -20°C - +55°C Storage temperature: -25°C - +70°C Basic Specifications: USB GSM modem pool Build in 16 Gprs modem in one Simbox Based on Sierra industrial modules Asynchronous, transparent or non-transparent, to a maximum 14400 bits / s Bound rate : 300-115200 bits / s Automatic baud rate: from 2400 to 19200 bits / s AT command control ( GSM 07.07 and 07.05)  16x SIM card(big/small) slots Sending Max 9600 messages per hour Comply with GSM phase2 standard Send and receive SMS, AT Command, USSD, Imei Changing Maximum transmitting speed 115KBps Working temperature: -20 to +60 degrees Celsius Storage temperature: -25 to +70 degrees Celsius Double tone multi-frequency function (DTMF) Each channel with separate power switch  Each individual module can be demolished  Industrial chassis, elegant shell Color : black  A, system advantages: Wireless GSM / GPRS / MODEM built on the broad masses of the personal needs of customers on the basis of the enterprises to meet the following requirements: 1, for the majority of customers the same or different delivery information; 2, promptly contact employees issued notices of meetings; 3, to avoid consuming a large number of enterprise human, material and information transfer on time; 4, to avoid high communication costs to be incurred in a month; 5, enterprises and customers (members) between the corporate partners, businesses and staff in the need for more exchanges. B, the system features: Send clusters: can be sent automatically to a large number of goals the same information. Widely distributed: the geographical distribution of the target information widely scattered to support fast: after message, just a very short time can be transmitted to the target. Convenience: the information through the portable phone to receive. Accurate: the message can reach the goal of accurate and timely manner. Exhaustive: the information sent by the computer system, significantly to avoid the artificial missing information. St