GSM Fixed Wireless Terminal 4 Sims with 4 FXS/Rj11
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Product Highlights
- 4 SIM & 4 FXS Ports: Supports 4 GSM SIM cards and connects 4 analog telephones or PBX systems simultaneously.
- Quad Band GSM Support: Compatible with GSM 850/900/1800/1900MHz frequencies for global coverage.
- IMEI Changeable: Allows modification of IMEI to meet specific network requirements.
- Polarity Reversal Support: Supports polarity reversal for enhanced compatibility with various billing systems.
- DTMF Dialing: Enables DTMF dialing for seamless integration with automated systems.
- Optional Backup Battery: Includes optional 7.2V 1300mAh Li-ion battery for 24h standby and 2.5h talk time.
- Customization Available: ODM service available with customization options from samples.
- 1 Year Warranty: Comes with a comprehensive 1-year warranty for peace of mind.
Product Attributes
- Customization
- Available
- Type
- GSM FWT Fixed Wireless Terminal
- Usage
- Telephone/Billing/PBX/Alarm System
- Model NO.
- GSM ETS-4S
- Condition
- New
- Product Name
- 4 SIM Cards 4 Ports GSM Fixed Wireless Terminal
- Frequency
- GSM 850/900/1800/1900MHz
- SIM Card Slot
- 4
- FXS(Rj11) Port
- 4
- IMEI Changeable
- Support
- Polarity Reversal
- Support
- Dtmf Dialing
- Support
- Locking Pin / Network
- Support
- Color
- Black
- Warranty
- 1 Year
- Transport Package
- 20PCS/CTN
- Specification
- Carton size: 60*37*27cm
- Trademark
- Etross or OEM Brand
- Origin
- Guangdong
- HS Code
- 8517629300
- Production Capacity
- 10000/Month
- Package Size
- 41.00cm * 25.00cm * 10.00cm
- Package Gross Weight
- 2.000kg
- Lead Time
-
7 days (1 - 100 Pieces)
To be negotiated ( > 100 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of GSM Fixed Wireless Terminal 4 Sims with 4 FXS/Rj11
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Product Description
4 SIM Cards Quad Band GSM FWT Fixed Wireless Terminal
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Mobile to Landline Converter for 2G GSM
SIM card to landline converter 4 Ports
GSM fixed wireless terminal 4 SIM cards
4 SIM GSM FCT fixed cellular terminal
1. General Description
GSM FWT ETS-4S is a newly designed 4 ports GSM to POTS (Plain Old Telephone Service) line Converter, also known as Fixed Wireless Terminal. The device has 4 line connections that allow 4 regular analog telephones to be connected to 4 Cellular GSM service just like connecting to 4 local PSTN (Public Switched Telephone Network) land-lines. Your calls are connected on the GSM network. This device receives and makes phone calls.
Model GSM FWT ETS-4S is 4 GSM modules + 4 FXS ports.
Model GSM FWT ETS-4S/O is 4 GSM modules + 4 FXS ports + 4 FXO ports .
(Also We have CDMA FWT ETS-4S (800Mhz Ruim Support) and WCDMA FWT ETS-4S option).
The main applications:
1) Connecting the RJ-11 FXS line to an ordinary telephone set for voice call;
2) Connecting PBX for call extensions;
3) Connecting billing systems for public phone use;
4) Connecting VoIP FXO gateway to realize VoIP call termination;
5) Connecting alarm system for security purpose,such as elevator lift system, security bugular system
Working frequency:
Module employed: Quectel M35
Air interface standard: Quad band
GSM850/1900Mhz,900/1,800Mhz phase 2+ full band
1) It is a 4 channels GSM Gateway which has 4 RJ-11 outputs for extensions;
2) It can connect with ordinary telephone set, PBX, VoIP Gateway, Billing meter etc. ;
3) Dialing tone frequency:450hz;
4) Employ Industrial module to make;
5) Can adjust dial interval from 0.5sec to 9 secs by setting up from telephone set;
6) Can adjust voice volume by setting up from telephone set;
7) SIM card supported (1.8V, 3V);
8) Caller ID display;
9) DTMF Dialing;
10) Bell signal;
11) Polarity reversal;
12) The RJ-11 socket which connect the phone or billing system for metering purpose;
13) Antenna socket (SMA);
14) IP Presetting;
15) Working status and Signal Strength by LED indicator;
16)back up Li-ion battery( Optional) 7.2V 1300mAh.standby 24hrs,talking time: 2.5hrs.
3.Technical Specifications:
Air interface standard: GSM850/1900Mhz,900/1,800Mhz phase 2+ full band
Frequency ranges:
A) GSM 850 GSM 1900:
I) Transmission: 869.2 ~ 893.8MHz I) Transmission: 1, 930 ~ 1, 990MHz
Ii) Reception: 824.2 ~ 848.2MHz Ii) Reception: 1, 850 ~ 1, 910MHz
B) GSM 900: GSM 1800:
I) Transmission: 890 ~ 915MHz I) Transmission: 1, 710 ~ 1, 785MHz
Ii) Reception: 935 ~ 960MHz Ii) Reception: 1, 805 ~ 1, 880MHz
Phone interface: supply RJ-11 Phone Interface
Hanging voltage: 45V
Picking off voltage: 30mA / 41mA
Dialing tone Frequency: 450Hz
Antenna interface: Antenna amplifying>2.5db
Sensitivity:<-104DBM
Transmitting power<3W
Color: White
AC-Adapter interface: Input: AC 110~240VAC 50~60Hz
Output: 12DC 1A.
AC-Adapter type: EU,US,AU,British can be optional
4. Operation Circumstance:
| Operation temperature: | -10c~60C |
| Storage temperature: | -20C~70C |
| Operation humidity: | 45%-95% |
| Atmosphere pressure: | 86-106Kpa |
| Environment noise: | <60DB |
| Transmitting Power: | 2W |
| Sensitivity: | <-104dbm |
| Antenna Amplifying: | >2.5db |
| Dialing frequency: | 450Hz |
| Hanging voltage: | 45V |
| Picking current: | 30mA/41mA |
5. Detailed images










| Description | Quantity | Remark |
| GSM FWT ETS-4S | 1 unit | GSM/CDMA/UMTS Optional |
| Power Adapter | 1 unit | AC 110-240v to 12v DC |
| GSM Antenna | 4 units | 3m cable antenna With Magnetic base |
| Cable RJ11 to RJ11 | 4 units | Connecting the device to the telephone |
| Quick Guide | 1 unit | May provide by electronic version |
Shenzhen Etross Telecom Co.,Ltd
Etross founded in 2006, we have been committed to wireless products and offer one-stop solution (Fixed wireless terminal, Fixed wireless phone, CPE Router etc.)
At present, we have a complete set of communication and electronic assembly line and outbound service. Processing and collaboration factory. There are R & D centers, first-class engineers, and continuous promotion of new and high technology products.
More than 20 years' experience in selling and exporting to over 70 countries and regions.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR242401". Items marked "" are certified.
Company Profile
General:
Shenzhen Etross Telecom Co., Ltd is a high-tech telecom company which specializes in developing and manufacturing wireless products, including 4G/3G/2G Fixed wireless terminal, 4G/3G/2G Fixed wireless telephone, 4G/3G/2G Fixed cordless phone, 4G CPE Router and SMS/VoIP Gateway, etc. For years, we have been devoted to providing good quality and hi-tech products to our clients, to be a China gold supplier of Telecom and IT products, we have operated around 21 years since 2006.
Business Description:
Currently we have several modern production lines producing 4G/3G/2G Fixed wireless terminal and Fixde wireless telephone, 4G/3G/2G Fixed cordless phone, 4G CPE Router, SMS/VoIP Gateway devices and Telemarketing terminal products. The production capacity can reach 1000 sets a day. In our company's R&D center, our experienced engineers are working to develop new high technology to guarantee our products' good quality and competitive advantage in the market. And some of our products have passed CE, FCC &RoHS certification.
Etross series products have been sold to more than 100 cities in China and exported to over 70 countires.
Major Products
Etross products are categorized under the following different segments:
1. Fixed Wireless Terminal Series: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
2. Fixed Wireless Telephone Series: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
3. Fixed Cordless Phone Series: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
4. CPE Router Series: 4G Indoor/Outdoor
5. SMS Gateway: 4G LTE/2G GSM
6. VoIP Gateway: 4G LTE/3G WCDMA/ 2G GSM/2G CDMA
7. Telemarketing Terminal: 4G LTE/2G GSM
Thanks for using Etross Series products, hope you can make more successfully.
About Our Factory & Business Background
- Address
- 3rd Floor, Block B, Yuetong Comprehensive Bldg.,Min Le road, Longhua District, Shenzhen, Guangdong, China
-
Terms of Payment
- T/T, PayPal, Western Union
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port
-
Minimum Order Quantity
- 1 PC
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
- Main Products
- Fixed Wireless Phone, Fixed Wireless Terminal, SMS Gateway, VoIP Gateway, CPE Router, Telemarking Terminal, Fixed Cordless Phone
-
Production Machines
- Electric screwdriver, Test computer, DC power supply, Welding machine, Automatic packing machine, Oscilloscope
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Customization Options
- Customization from Samples
-
ODM Service Available
- Yes
-
R&D Engineers
- 4 people
Our Industry Experience & Global Business Record
-
Export Year
- 17 Years
-
Main Markets
- North America, Europe, Africa, East Asia(Japan/ South Korea), Australia
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- Yes
FAQ
- What are the main applications of this device?
- It is used for connecting analog telephones, PBX systems, billing machines, VoIP gateways, and alarm security systems.
- Does it support multiple SIM cards?
- Yes, it features 4 SIM card slots and 4 FXS ports for simultaneous connections.
- What is the warranty period?
- The device comes with a 1-year warranty.
- Can the IMEI be changed?
- Yes, the device supports IMEI change functionality.
- Is customization available?
- Yes, ODM service is available, and customization can be done from samples.
- What is the minimum order quantity?
- The minimum order quantity is 1 PC.
- What is the lead time for orders?
- The average lead time is within 15 workdays for both peak and off-peak seasons.
- Does it support an optional backup battery?
- Yes, an optional 7.2V 1300mAh Li-ion battery is available for backup power.
Send your message to this supplier
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