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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: SKYLINE, SKYLINE
  • Model Number: GSM MODEM-16
  • Type: VoIP Gateway, GSM MODEM
  • Item: modem
  • Sim slot: 16
  • Support: SMS MMS TCP/IP
  • Interface Type: USB or RS232 or RJ45
  • Warranty: 1 Year
  • Frequency: 850/900/1800/1900
  • Module: Quectel
  • Weight: 4.5

Packaging & Delivery

Packaging Details package size:40*20*15cm weight:4.5kg package:10pcs/carton carton size:50*40*80cm
Delivery Time 1 day after payment received

16 ports bulk sms modem AT command gsm sms gateway manufacturer in China

Product Description



GSM SMS Modem 16 sim cards, RS232/USB, BULK SMS/MMS(M35-16), quad band modem for sending and Receiving Bulky SMS,.The device built-in 16 wireless modules be inserted 16 SIM cards use 16 cards to send text messages. Send speed as 16 times as a single channel modem. It uses the development of QUECTEL module, 220V power supply be a long time stability, generous luxury housing. It is working compatible with windows 2008 R2, Windows 7, Vista, XP, 2006/2000, 98SE/CE, LINUX.


There's four models for your choices. 8/16/32/64 PORTS.






 international gsm sim card

Key Feature
-Just like 16 single-channel equipments work at the same time

-Insert 16 SIM cards(big or small)
-Connection with the computer through a data line be integrated with Serial 16

-Each channel with separate power switch
-Each individual module be demolished
-Industrial chassis, elegant shell
-GSM frequency:900/1800MHz
-16 x SIM card(big/small) slots
-Wireless access to internet
-Comply with GSM phase2 standard
-RJ45 interface(optional)
-16 SIM Card supported (Big/Small)
-Optional data, voice function
-Send and receive English SMS/MMS in bulk



-Large shopping malls, supermarkets
-Professional market, large wholesalers
-Large hotels, large-scale entertainment
-Large agencies
-Transport, logistics industry
-Large enterprises, and institutions
-Large hospitals, large bookstore
-Newspaper, television and radio stations
-Oil Company ( other chain business model)
-Government agencies or large township

Power consumption

voltage  :  3.6V



Single-channel input V: 5V-2

Single-channel input C: MAX 1.7A, average 270MA

Baud rate: default 9600bps(SMS), 115200bps(MMS)

Ethernet  : 10/100M adapter

Default IP Address:

Deploy :  TELNET or http

Transmit-receive rate  : 720-900 sms /Hour

AT command control standards: GSM07.07 / GSM07.05

Antenna: 50 ohm,3dB gain

Size: standard 1U

Hardware Feature

-Support dual-band GSM: 900/ 1800 MHz
-Meet the ETSI GSM 2 + standards
-Class 4 ( 2W @ 900 MHz) Class 5 ( 1W @ 1800 MHz)
-5 -24 VDC power supply (which be directly connected to the nickel- metal
-Hydride or lithium batteries)
-Operating Temperature: -20 ° C - + 55 ° C
-Storage temperature: -25 ° C - + 70 ° C
-Size: Standard 1U chassis

Basic Feature

-Asynchronous, transparent or non-transparent, to a maximum 14400 bits / s
-Baud Rate: 300-115200 bits / s
-Automatic baud rate: From 2400 to 19200 bits / s
-Fax support three
-Switched voice and fax
-V. 42, V. 42bis
-GPRS compatible
-Wap compatible
-SMA Antenna Interface
-SIM Card Outlet
-Power connector
-RS-232, the Mini-dB-9 connector
-AT command control ( GSM 07.07 and 07.05)




 bulk sms modem


2G M35 & 3G UC15-E/A Modules Pictures



  bulk sms modem

Insert Sim Card into Device 


Install Driver 


    bulk sms modem




  bulk sms modem

Packaging & Shipping

 Packaging & Shipping




Contact me


Any questions, pls contact me freely

Web: www.chinaskyline.net    Skype:  skylinesimon

Whatsapp/viber: 0086 18825043723     Wechat: simonHuiYe



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China (Mainland)
Transaction Level:
Supplier Assessments:
13 Transactions 8,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $56,000
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