• Sourcing Solutions
  • Services & Membership
  • Help & Community

Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: Quectel
  • Model Number: EC20 EC21 EC25
  • Function: sms,mms,voice,date
  • Interface: Usb2.0
  • Color: Black
  • Chipset: EC20/EC21/EC25
  • Support: Linux,Vista,Window
  • Warranty: 1 Year
  • Network Type: 4G FDD-LTE
  • Antenna: 8
  • Frequency: 850/900/1800/1900MHz
  • Shipping Options: DHL/EMS/UPS/FEDEX

Packaging & Delivery

Packaging Details Neutral packing (Hot sale Quectel EC20/EC21/EC25 Bulk SMS Machine 4G LTE FDD 8 Port Modem Pool)
Delivery Time 1-3days

Hot sale GSM Gateway Quectel EC20/EC21/EC25 Bulk SMS Machine 4G LTE FDD 8 Port GSM Modem Pool

Product Description




Mutil port sms gateway SMS per hour= 900pcs/hour *8 ports =7200 pcs sms per hours

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 .






The specification of 4G 8 Port modem





8 port modem feature:

1.Just like 8 single-channel equipments work at the same time
2.8 SIM card slots,support 8 SIM cards(big or small support)
3.Connection to your computer through via USB data cable(ONLY USB INTERFACE)
4.Each channel with separate power switch
5.Each individual module be demolished
6.Industrial class modules, elegant shell
7.Quectel EC20/EC21/EC25 module
8.Wireless access to internet
9.Comply with GSM phase2 standard
10.Send and receive SMS in bulk


♦ USB GSM/GPRS modem pool
♦ Based on  Quectel EC20/EC21/EC25 module modules
♦ 8 x SIM card(big/small) slots
♦ Interface:USB2.0
♦ Wireless access to internet
♦ Double tone multi-frequency function(DTMF)
♦ Cluster send and receive SMS
♦SMA antenna:3DBI
♦ Input voltage: 100 to 240V

♦ Operating Temperature: -20 ° C - + 55 ° C
♦ Storage temperature: -30 ° C - + 85 ° C

AT commands interface:

– GSM 07.05 and 07.07 AT commands
– comprehensive set of enhanced AT commands
Open AT APIs:
– numerous interfaces for embedded applications
SIM Toolkit release 99


♦ Telephony, Emergency calls
♦ Echo Cancellation and Noise Reduction
♦ Full duplex hands free


♦ Data circuit asynchronous, transparentand non transparent up to 14400 bits/s
♦ Fax group 3 (Class 1 and 2)– GPRS packet Data features
♦ GPRS Class 10
♦ Coding Schemes: CS1 to CS4
♦ PBCCH support

♦ Point to point (MT/MO) and Cell Broadcast
♦ Call Forwarding, Call Barring
♦ Multiparty
♦ Call Waiting, Call Hold
♦IP connectivity (TCP/IP with TCP/UDP sockets, POP3, SMTP, FTP)
♦IBM WMQT (Websphere)
♦Orange M2M Connect



 Free SMS Caster Software 




SMS software:    Premium Software with dongle





How to insert sim cards ? 






The package includes 1x modem,8 x antenna,1x USB cable,1x Power adapter,1x CD


Operating System



 Power Adapter


Packaging & Shipping

Packing : Neutral packing


Our Services


We offer the best services and saleafter to our customers, Pls feel free to contact us! 

Before packing,we have strict testing system to insure the high quality of our goods.

Company Information

   HONGKONG BaiLing International Co.,Ltd is a foreign trade company with 8 years experience.We have our sales department,technical department and also production department.With the endurance of our research and development department,our main products are all have CE&ROHS certificates.Our faith is to provide the best goods for our best customers.

Transaction History of the Supplier

Below is the information about the supplier's transactions conducted via Alibaba.com. If you require further details regarding the transaction data, please contact the supplier directly.

Transaction Overview


Transaction Details

This supplier has completedtransactions with buyers from .

Shipping Destination
Transaction Value
Transaction Date
Email to this supplier
Trade Assurance
China (Mainland)
Transaction Level:
Supplier Assessments:
28 Transactions 20,000+
The supplier’s transactions conduted 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 $38,000
Learn More