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16 Ports 256 Sim Slots HTTP SMPP Bulk Sms Modem 2G GSM Bulk Sms Gateway

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Quick Details

Place of Origin: Guangdong China
Functions: SMS Send, Receive and Forward online
Model Number: ACOM 616-256 gsm
Certification: CE ISO
Brand Name: Ejointech
Type: VoIP Gateway
Open AT command: support
Number of Channels: 16
Product name: 16 Ports 256 Sim Slots HTTP SMPP Bulk Sms Modem Gateway
Frequency: Quad-band 850/900/1800/1900MHz
Sim slots: 256
Application: sms verify code, SMS termination, SIM recharge blast sms/ussd
Interface Type: USB/RJ45
Packaging Detail: Blank carton package/16 Ports 256 Sim Slots HTTP SMPP Bulk Sms Modem 2G GSM Bulk Sms Gateway
Selling Units: Single item
Single package size: 53X32.5X9.1 cm
Single gross weight: 5.5 KG
Package Preview:
Shenzhen Ejoin Technology Co., Ltd.
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US$ 90,000+
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Product Description

16 Ports 256 Sim Slots HTTP SMPP Bulk Sms Modem 2G GSM Bulk Sms Gateway

ACOM616G-256 is a multi-functional and high performance product, which supports SMS sending, receiving and group sending. it's different from traditional modem, it's based on IP network, with the SMPP/HTTP API, customers can develop SMS server easily. It is widely used in bulk sms like sms verify code, SMS termination, wallet payment system,automated appointment reminder service,SIM recharge and corporate SMS,mobile marketing etc.

Model: Ejoin ACOM616G-256

SIM slots:256
2G GSM:850/900/1800/1900 MHZ
3G WCDMA: 850/900/1800/1900/2100 MHZ
4G: FDD-LTE/TDD-LTE(4G Frequency difference frequencies for different areas,contact Skype:ejointech.m for confirm) 

2G/3G/4G models are separate and optional,the price here is 2G!

Features For Anti Sim Blocking

* Internet data simulation
* IMEI modify&Band
* Port Inter-calling/sms
* Station intelligent switching
* Multiple SMS control
* PIN modify
* SIM card rotation(only for rotation gateway)

Technical Parameter

* Telephony Features: Phone book,  LCR, White list
* Network Protocols:IPv4, TCP, UDP, PPPoE, DHCP, DNS,       NAT, Telnet, HTTP, FTP, TFTP
* 1 WAN 10/100Base-T Ethernet(RJ-45 connector)
* 1 LAN 10/100Base-T Ethernet(RJ-45 connector)
* 1 console(USB connector)
* Power Supply: 100-240VAC, 50 - 60 Hz
* Warranty: 12 months
* Operating temperature: 0 - 50ºC
* Operating humidity: 10 – 90%RH

Special Features

* SMS Send, Receive and Forward online
* AT/USSD command
* SMPP server/client
* SMS checking
* Get SIM Number/Balance auto
* SMS statistics
* Auto Recharge
* Support SIM POOL
* VPN(pptp)
* Fake Ring-back
* sms Plan/Prefix Inward Translation/Intelligent Routing

Maintenance and Management

* Friendly Web Management
* English and Chinese Interface
* Role Management
* USB Serial COM
* Configuration Backup and Restore
* Support HTTP/TFTP Upgrade
* Ejoin Remote Management System(ERMS)
* Ejoin Centralized Management system(ETMS)
* Ejoin Encryption

Web Management
Sms Modem Series


8 port 32 sim


16 port 16 sim


16 port 256 sim


32 port 32 sim


64 port 64 sim


64 port 512 sim

1) Web Management and control
2) can up 20 SMS per port per minute
3)Support 8/16/32/64Channels, Up to 512 sim for auto sim switch by SMS limit per sim per day
4) 2G/3G/4G models are separate and optional
5) Free SMS software for bulk sms sending,receiving and forwarding online
6) HTTP SMS API/USSD API/AT Command/SMPP server/client for intergrate your systems easily
7) Free firmware version update online and free lifetime tech support


Once we get your order,we can find the lowest shipping cost for you via DHL,Aremax,FedEx,UPS,TNT,EMS etc and offer special packing for custom clearence.

Company Information

Ejointech is the original developer and manufacturer of VoIP Gateways and solutions for more than 16 years.Our main products cover: GSM/3G/4G VoIP Gateway ,internet HTTP SMPP sms modem and SIMPOOL128/256.They are cost-effective gateways for SOHO,SMEs as well as large enterprise environments ,voip operators and system integrators. It also opens up new revenue generating opportunities for service providers.

The reliable and competitive products, the trained technical support team can satisfy you. Ejointech original service is warmly and powerful.


1.What is main functions of Ejoin rotation HTTP SMPP sms modem?
For sms verify code, SMS termination, automated appintment reminder service,SIM recharge and corporate SMS,mobile marketing etc.

2. What is the advantages about Ejoin rotation sms modem?
All process via Web
One port 4/8/16/32 sim for sim rotation
up to 20 sms per port per minute
more easy intergrate with HTTP API or SMPP server/client

3. Can you offer sms software for Ejoin sms modem?
yes, we have 2 sms system:
*EIMS3_SIMPLE: for bulk sms sending, receiving and forwarding online.
*EIMS3_admin: For SMS termination /Billing, Routing, Support create unlimited administrative users and can surely limit the different access levels by managing the roles allotted to the admin users

4. Is there any devices for manage sims remotely ?
Yes , we have simbank128 and simbank 256

5. If I face any issues about the devices , how can i solve it ?
All device has one year warrantly and we will provide you with tech support all time to fix your problems.

Quick Contact Way

More details, skype or whatsapp is fast way to get me!

Whatsapp: +86 13632681106