2g Fixed Wireless Terminal 8828 2 Rj11 (FXS) Ports GSM FWT for PBX, Billing Machine
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Product Highlights
- GSM to Analog Converter: Converts GSM network calls to analog FXS lines for traditional phones and PBX systems.
- Dual RJ-11 FXS Ports: Features 2 RJ-11 ports to connect ordinary telephones, PBX, or billing machines simultaneously.
- LCD Display Interface: Equipped with LCD screen to show working status, signal strength, and caller ID.
- Full Band GSM Support: Supports GSM 850/1900/900/1800 MHz bands for global compatibility.
- Adjustable Dial Interval: Dial interval can be adjusted from 0.5 to 9 seconds via telephone set commands.
- Optional Backup Battery: Includes optional 7.2V 1000mAh Li-ion battery for 24h standby and 2.5h talk time.
- Versatile Application: Ideal for PBX, billing machines, security systems, and VoIP FXO gateways.
- Customization Available: ODM service available with customization options from samples.
Product Attributes
- Customization
- Available
- Type
- GSM
- Usage
- PBX Telephone Security System Fax(Optional) PSTN
- Model NO.
- GSM 8828
- Condition
- New
- Transport Package
- Gift Box /Carton
- Trademark
- OEM
- Origin
- China
- Production Capacity
- 1000 PCS/Weak
- Package Size
- 33.00cm * 19.00cm * 8.00cm
- Package Gross Weight
- 1.000kg
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 2g Fixed Wireless Terminal 8828 2 Rj11 (FXS) Ports GSM FWT for PBX, Billing Machine
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Product Description
GSM Fixed wireless terminal ETS 8828 with LCD display
Main interface: RJ11(FXS) Ports *2 , SIM slot*1
Main Function: For replacing the old PSTN system. Transfer the sim call to connecting RJ11 devices. Economical and easy to maintain.
Apply to the devices : Ordinary telephone,PBX,Billing machine,Elevator/Alarm security system,VOIP FXO gateway etc .
1.General Description
GSM FWT-8828 is a GSM to analog converter with LCD display(single port, insert 1 sim card only), the device can produce a FXS line to allow a regular phone to be connected and used just like a local landline(PSTN) except your calls will go out the GSM network. This device can both receive and make calls.
The main applications are as below:
Connect RJ-11 FXS line to ordinary telephone set for voice call;
Connect PBX for call extensions;
Connect billing systems for public phone use;
Connect VoIP FXO gateway to realize VoIP call termination;
Connect alarm system for security purpose, etc.
2.Features:
1) It is a 1 channel GSM Gateway which has 2 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 0.5 sec to 9 secs by setting up from telephone set;
6) Can adjust voice volume by command from telephone set;
7) SIM card supported (1.8V, 3V);
8) Caller ID display;
9) DTMF Dialing;
10) Bell signal;
11) Polarity reversal/12Khz/16Khz pulse billing
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 LCD display;
16) IMEI Change (optional).
17) back up Li-ion battery( Optional) 7.2V 1000mAh.standby 24 hours,talking time: 2.5hours.
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.Packing List:
| Item | Qty | Remarks |
| GSM FWT 8828 | 1 | White color |
| User's Manual | 1 | Printed |
| Antenna | 1 | 3M cable antenna |
| Power supply | 1 | DC 12V 1A |
| Back up battery | 1 | In-built Li-ion battery |
6. Pictures





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 17 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
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- 3rd Floor, Block B, Yuetong Comprehensive Bldg.,Min Le road, Longhua District, Shenzhen, Guangdong, China
-
Plant Area
- 750 square meters
-
Number of Employees
- 18
-
Registered Capital
- 1,000,000 RMB
-
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 Lines
- 1
-
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
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples
-
ODM Service Available
- Yes
-
R&D Engineers
- 4 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2006-03-30
-
Export Year
- 17 Years
-
Main Markets
- North America, Europe, Africa, East Asia(Japan/ South Korea), Australia
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 6
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is the main function of this device?
- It replaces old PSTN systems by transferring SIM calls to connected RJ11 devices like phones and PBX.
- How many SIM cards does it support?
- It supports 1 SIM card only, compatible with 1.8V and 3V cards.
- Can I adjust the dial tone frequency?
- Yes, the dialing tone frequency is fixed at 450Hz, but the dial interval can be adjusted.
- Does it come with a backup battery?
- A 7.2V 1000mAh Li-ion backup battery is optional, providing 24 hours standby.
- What are the supported GSM bands?
- It supports GSM 850, 1900, 900, and 1800 MHz full bands.
- Is customization available for this product?
- Yes, ODM service is available with customization options from samples.
- What is the minimum order quantity?
- The minimum order quantity is 1 PC.
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