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Item specifics
  • Package: Yes
  • Style: External
  • Transmission Rate: 256Kbps
  • Interface Type: USB
  • Brand Name: Antecheng
  • Products Status: Stock
  • Model Number: ATC-W16U-F-Q2303
  • wirless Modem Type: EDGE
  • Type: Wireless
  • Warranty: 1 year
  • Weight: 5kG
  • Frequency: 900/1800Mhz
  • OEM: Supported
  • SIM slot: 16
  • Shipping: DHL/EMS/UPS/FEDEX/GLE express
  • Function: SMS,MMS,GPRS.....
  • Place of Origin: China (Mainland)
  • is_customized: Yes
Product Description

2017 New 16 Ports GPRS/GSM wireless Q2303  Modem industrial grade with bulk sending sms

if you need imei function . pls order model in link as followed :

Bulk sms +mobile recharge +IMEI changing

What is "IMEI"?

"IMEI "is a abbriviation  for "International Mobile Equipment Identity ",International Mobile Equipment identification number is by the 15 of digits "electronic string of number",and this code is the world\'s only. Each a mobile phone in after the completion of the assembly will be given a global only a group of number, the number from production to delivery will be took record.

Why need to changing "IMEI" ?

When you use the modem pool for SMS too much ,due to the operator policies,your device will be blocked  .World of operators will be same condition ,So if u want a SMS competition business,IMEI changing function is very needed

Our modem advantage :

The new model has added the IMEI changing functions ,users can simply change the IMEI number of your device via simply serveral click .This is very usefull for those SMS advertising ,when you send thousands or millions of SMS, the telecom operators may block your device ,then the modem will no longer be used again .

IMEI changing function is built for this,whenever the operators block the software , you can regenerate a new one yourself .That the device can be used again

free contact me :

skype angle890720




Please read the information and learn it carefully before you bid ,or else we will not show responsible for such item.

1 . This item is controlled by USB interface via AT commands (GSM 07.07, 07.05).
2 . This item doesn\'t include the software. You can use your program or software to control it  via AT commands.
3 . Please inquire before you bid if you don\'t know how to use or control this item.


Please do us a favor to click GSM Coverage In The World to check whether your region is covered by anyone of GSM 900MHZ/1800MHZ before buy this item.


Modem Pool is a pool of GSM modems that integrates with 16 of GSM modems together in one single box. The modem pool provides an efficiency way for management of numbers of modems. The same function with GSM modem in functionality. You can use AT Command


Technical Parameters Specification for GSM Modem :

1. Type :


GSM Modem with industrial-grade Wavecom Q2303A module.


2. Technological Specifications :


    Support dual frequency: GSM 900/1800MHz

    Conform to ETSI GSM 2+ standard

    Output Power:

    Class4 (2W @ 900 MHz)

    Class5 (1W @ 1800 MHz)

    Power Source: USB

   Temperature Range:

   -20 C ~ +55 C active status

   -25 C~ +70 Cpreserved condition

3. Basic Features :


Asynchronous, Transparent or Non-transparent, The highest baud rate: 14400bits/s

Serial Baud Rate: 300-115200bits/s

Automatic Baud Rate: from 2,400 to 19,200bits/s

Support Group 3 Document Facsimile Transmission

Support Switching between Voice and Fax


USB Interface

Control via AT Commands (GSM 07.07, 07.05)

Modem pool picture:

Package picture:


How to Install the modem pool ?
1. Make sure power cable connect device,
2. Insert SIM card, make sure chipset connect with card reader
3.Use USB 2.0 Cable connect computer, follow prompts to install driver
4. Turn on power, red LED light, all red light flashing stands equipment begins work




1. When you place an order, please choose a shipping method and pay for the order  including the shipping fee. We will send the items within 3 days once your payment is completed.

2. We do not guarantee delivery time on all international shipments due to differences in customs    clearing times in individual countries, which may affect how quickly your product is inspected. Please note that buyers are responsible for all additional customs fees, brokerage,fees, duties, and taxes for importation into your country. These additional fees may be collected at time of delivery. We will not refund shipping charges for refused shipments.

3. The shipping cost does not include any import taxes, and buyers are responsible for customs duties.


ps : Usually we will send out within 3-5 days after getting your payment.  we are looking forward the agency from all over the world!!


Packaging Details
  • Unit Type: piece
  • Package Weight: 5.5kg (12.13lb.)
  • Package Size: 32cm x 12cm x 12cm (12.60in x 4.72in x 4.72in)
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Quantity: Ship to:
Packaging Details
  • Unit Type: piece
  • Package Weight: 5.5kg (12.13lb.)
  • Package Size: 32cm x 12cm x 12cm (12.60in x 4.72in x 4.72in)
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