Unbranded 4G Voice LTE To Landline Wired Phone RJ-11 Port Converter For US Canada Mexico
Unbranded 4G Voice LTE To Landline Wired Phone RJ-11 Port Converter For US Canada Mexico
4G Voice LTE 3G WCDMA Mobile Phone SIM Card To PSTN Landline RJ11 Adapter For North America Region
This 4G voice LTE cellular SIM card to RJ-11 phone jack adapter is a great mobile telephony solution for converting the 4G LTE or 3G WCDMA mobile phone signal to PSTN analog dial tone signal.
Users can make phone calls or receive calls through using regular phones but the calls are made or originated from your 4G LTE or 3G mobile phone carrier' system.
This device is built with 2 of RJ-11 phone jacks for hookup with any desk phone or corded/cordless phone.
Very suitable for remote or rural areas that do not have landline service while mobile phone network is available.
Users can put in pre-paid or regular SIM card into this device and connected with corded/cordless phone so they can make calls or receive calls through 4G LTE and 3G WCDMA networks.
No need to subscribe to monthly landline service with local phone company.
Save your monthly fee of landline service for phone bill.
This SIM card terminal is specifically designed for North America regions. It can not be used in Europe, Middle East, Asia, Australia and so on.
[Note]: Please consult with your local cellular service carriers for the network system type and band frequency before purchasing this item.
Also a great phone dialer for alarm security system with auto dial function to call out to the monitoring center or home owner when landline is failing or not available for the location.
The main applications for this product including:
- providing rural or remote areas that do not have landlines with phone jacks through using cellular SIM cards
- providing phone jacks at locations that are difficult to run phone wires
- phone dialer for hookup with phone-controlled devices like our remote power switch, security access control system, etc.
- connecting with security alarm system or motion senor that has call out function for alarm-triggered events
- connecting with PBX system for call extension or office intercom
- hookup with VoIP gateway
[Note]: The 2 phone jacks on this device do not support fax transmission or data modem hookup.
Easy Installation And Operation
This SIM card to PSTN landline module is all plug and play. No programming or configuration needed.
Simply insert an active SIM, mini SIM, nano SIM or micro-SIM card (using SIM adapter) into the SIM slot on the bottom of this unit and then connect with any kind of desk phone.
This unit will be instantly ready for use If you can hear a dial tone from the phone connected after inserting the SIM card into this device
Wide Compatibility Range Support For 4G LTE 3G WCDMA Cellular Carriers
This cellular phone to PSTN landline phone adapter supports telecom carriers using 4G LTE and 3G Tri-Band WCDMA frequency bands including:
- 4G LTE FDD services in B2, B4, B5, B12, B13, B14, B66/B71 band or frequency 700/850/1700/1900/2100 MHz for North America regions.
- 3G WCDMA services in B2, B4, B5 band or 850/1700/1900/2100 MHz frequency for North America regions.
Auto Dialer For Security Alarm System
This device can also be used as phone dialer for those security alarm systems with call-out features.
Once there is any alarm-triggered event, those security systems with auto dialer function can call out through this device to the home owner or monitoring center through this phone adapter when landline is failing or not available for the location.
Caller ID Display
This 4G/3G SIM to analog PSTN landline phone adapter can display the incoming caller ID or outgoing phone number on the phone screen if available.
This phone adapter also provides a cellular network signal strength bar indicator on the units for visual reference.
Private Telephone Network Or Intercom For Office
When connecting this device with a PBX system, users can create a private phone exchange system for call extension or office intercom used within a company or
organization.
Save Monthly Phone Bills
You can use any pre-paid or locked/unlocked SIM card for this device and combined with desk phone as the dialer to make and receive phone calls.
Save the monthly bill of landline service from now on.
No Phone Line Cut-Off By Intruders
No more worry about the thief to tamper with the landline from the outside phone box.
Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.
More importantly, this device saves you the extra fee that the alarm company charge you monthly for wireless radio service. Skip paying for the wireless radio service by using this cellular phone to PSTN landline phone adapter as the dailer for your alarm system.
Detachable Antenna Hookup
Users have the option of
using a more powerful antenna or adding an antenna amplifier for best reception.
The antenna base has strong magnetic suction so it can stay firmly on any metallic object or surface for flexible mounting with stable reception quality.
- 4G LTE and 3G WCDMA cellular SIM card to landline PSTN phone adapter with 2 RJ11 phone ports for hookup with any regular desk phone or corded/cordless phone.
- Easy setup. No programming or configuration needed.
- Users can receive and make phone calls through cellular networks when combing a desk phones or corded/cordless phone with this SIM card to phone jack adapter module.
- No need to subscribe to landline service with local phone company and save the monthly fee.
- Inserting an unlocked or pre-paid SIM card into this module as the dialer to make and receive phone calls through cellular system.
- Suitable for remote or rural areas that do not have landline service while mobile phone network is available.
- Supports SIM cards from cellular carriers adopting 4G VoLTE FDD frequency of 700/850/1700/1900/2100 MHz for North America regions.
- Supports cellular carriers adopting 3G WCDMA frequency of 850/1700/1900/2100 MHz for North America regions.
- Supports Caller ID display by showing the incoming caller ID or outgoing phone number through the corded or cordless phone used if available.
- A cellular network signal strength bar indicator is built on the unit for visual reference.
- Great phone dialer for security alarm system with auto dial function to call out to the monitoring center or home owner when landline failing or not available for the location.
- Used as a phone dialer for calls out when the alarm goes off.
- No more cut-off on the phone line by intruders. No worry about the thief to tamper with the landline from outside.
- Create private phone exchange system for call extension or office intercom when connecting this device with a PBX system.
- Compatible with ordinary telephone set, PBX , VOIP Gateway, Billing meter etc.
- Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.
- Saves the extra fee that the alarm company charge you monthly for the wireless radio service by using this device as the dialer.
- Strong reception through the high gain antenna included with magnetic for flexible mounting and stable reception quality.
- 4G LTE Support: B2, B4, B5, B12, B13, B14, B66/B71 band or frequency 700/850/1700/1900/2100 MHz for North America regions.
- 3G WCDMA Band Support: B2, B4, B5 band or 850/1700/1900/2100 MHz frequency for North America regions.
- SIM Card Support :1.8V,3V
- Phone Jack Interface: RJ-11 port x 2
- Hanging Voltage: 45V
- Dial Tone Frequency: 450Hz
- Antenna Interface: SMA-type antenna with magnetic base
- Antenna Amplifying: > 5db
- Sensitivity: <-104 DBM
- Transmitting Power: <3W
- Power Supply : 110~240V AC with DC 12V 1A output
- SIM card to phone jack adapter module
- Antenna with magnetic base
- Power adapter
- User manual
| Brand: | Unbranded |
|---|---|
| Isin: | IK92ANYJQ2J6 |
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4G Voice LTE 3G WCDMA Mobile Phone SIM Card To PSTN Landline RJ11 Adapter For North America Region
This 4G voice LTE cellular SIM card to RJ-11 phone jack adapter is a great mobile telephony solution for converting the 4G LTE or 3G WCDMA mobile phone signal to PSTN analog dial tone signal.
Users can make phone calls or receive calls through using regular phones but the calls are made or originated from your 4G LTE or 3G mobile phone carrier' system.
This device is built with 2 of RJ-11 phone jacks for hookup with any desk phone or corded/cordless phone.
Very suitable for remote or rural areas that do not have landline service while mobile phone network is available.
Users can put in pre-paid or regular SIM card into this device and connected with corded/cordless phone so they can make calls or receive calls through 4G LTE and 3G WCDMA networks.
No need to subscribe to monthly landline service with local phone company.
Save your monthly fee of landline service for phone bill.
This SIM card terminal is specifically designed for North America regions. It can not be used in Europe, Middle East, Asia, Australia and so on.
[Note]: Please consult with your local cellular service carriers for the network system type and band frequency before purchasing this item.
![]() |
Also a great phone dialer for alarm security system with auto dial function to call out to the monitoring center or home owner when landline is failing or not available for the location.
The main applications for this product including:
- providing rural or remote areas that do not have landlines with phone jacks through using cellular SIM cards
- providing phone jacks at locations that are difficult to run phone wires
- phone dialer for hookup with phone-controlled devices like our remote power switch, security access control system, etc.
- connecting with security alarm system or motion senor that has call out function for alarm-triggered events
- connecting with PBX system for call extension or office intercom
- hookup with VoIP gateway
[Note]: The 2 phone jacks on this device do not support fax transmission or data modem hookup.
![]() |
![]() |
Easy Installation And Operation
This SIM card to PSTN landline module is all plug and play. No programming or configuration needed.
Simply insert an active SIM, mini SIM, nano SIM or micro-SIM card (using SIM adapter) into the SIM slot on the bottom of this unit and then connect with any kind of desk phone.
This unit will be instantly ready for use If you can hear a dial tone from the phone connected after inserting the SIM card into this device
![]() |
Wide Compatibility Range Support For 4G LTE 3G WCDMA Cellular Carriers
This cellular phone to PSTN landline phone adapter supports telecom carriers using 4G LTE and 3G Tri-Band WCDMA frequency bands including:
- 4G LTE FDD services in B2, B4, B5, B12, B13, B14, B66/B71 band or frequency 700/850/1700/1900/2100 MHz for North America regions.
- 3G WCDMA services in B2, B4, B5 band or 850/1700/1900/2100 MHz frequency for North America regions.
![]() |
Auto Dialer For Security Alarm System
This device can also be used as phone dialer for those security alarm systems with call-out features.
Once there is any alarm-triggered event, those security systems with auto dialer function can call out through this device to the home owner or monitoring center through this phone adapter when landline is failing or not available for the location.
Caller ID Display
This 4G/3G SIM to analog PSTN landline phone adapter can display the incoming caller ID or outgoing phone number on the phone screen if available.
This phone adapter also provides a cellular network signal strength bar indicator on the units for visual reference.
![]() |
Private Telephone Network Or Intercom For Office
When connecting this device with a PBX system, users can create a private phone exchange system for call extension or office intercom used within a company or
organization.
![]() |
Save Monthly Phone Bills
You can use any pre-paid or locked/unlocked SIM card for this device and combined with desk phone as the dialer to make and receive phone calls.
Save the monthly bill of landline service from now on.
![]() |
No Phone Line Cut-Off By Intruders
No more worry about the thief to tamper with the landline from the outside phone box.
Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.
More importantly, this device saves you the extra fee that the alarm company charge you monthly for wireless radio service. Skip paying for the wireless radio service by using this cellular phone to PSTN landline phone adapter as the dailer for your alarm system.
![]() |
Detachable Antenna Hookup
Users have the option of
using a more powerful antenna or adding an antenna amplifier for best reception.
The antenna base has strong magnetic suction so it can stay firmly on any metallic object or surface for flexible mounting with stable reception quality.
- 4G LTE and 3G WCDMA cellular SIM card to landline PSTN phone adapter with 2 RJ11 phone ports for hookup with any regular desk phone or corded/cordless phone.
- Easy setup. No programming or configuration needed.
- Users can receive and make phone calls through cellular networks when combing a desk phones or corded/cordless phone with this SIM card to phone jack adapter module.
- No need to subscribe to landline service with local phone company and save the monthly fee.
- Inserting an unlocked or pre-paid SIM card into this module as the dialer to make and receive phone calls through cellular system.
- Suitable for remote or rural areas that do not have landline service while mobile phone network is available.
- Supports SIM cards from cellular carriers adopting 4G VoLTE FDD frequency of 700/850/1700/1900/2100 MHz for North America regions.
- Supports cellular carriers adopting 3G WCDMA frequency of 850/1700/1900/2100 MHz for North America regions.
- Supports Caller ID display by showing the incoming caller ID or outgoing phone number through the corded or cordless phone used if available.
- A cellular network signal strength bar indicator is built on the unit for visual reference.
- Great phone dialer for security alarm system with auto dial function to call out to the monitoring center or home owner when landline failing or not available for the location.
- Used as a phone dialer for calls out when the alarm goes off.
- No more cut-off on the phone line by intruders. No worry about the thief to tamper with the landline from outside.
- Create private phone exchange system for call extension or office intercom when connecting this device with a PBX system.
- Compatible with ordinary telephone set, PBX , VOIP Gateway, Billing meter etc.
- Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.
- Saves the extra fee that the alarm company charge you monthly for the wireless radio service by using this device as the dialer.
- Strong reception through the high gain antenna included with magnetic for flexible mounting and stable reception quality.
![]()
- 4G LTE Support: B2, B4, B5, B12, B13, B14, B66/B71 band or frequency 700/850/1700/1900/2100 MHz for North America regions.
- 3G WCDMA Band Support: B2, B4, B5 band or 850/1700/1900/2100 MHz frequency for North America regions.
- SIM Card Support :1.8V,3V
- Phone Jack Interface: RJ-11 port x 2
- Hanging Voltage: 45V
- Dial Tone Frequency: 450Hz
- Antenna Interface: SMA-type antenna with magnetic base
- Antenna Amplifying: > 5db
- Sensitivity: <-104 DBM
- Transmitting Power: <3W
- Power Supply : 110~240V AC with DC 12V 1A output
![]()
- SIM card to phone jack adapter module
- Antenna with magnetic base
- Power adapter
- User manual
- Brand: Unbranded
- Type: SIM To RJ11 Phone Adapter
Processing Time
- We process and ship orders Monday through Friday, excluding holidays.
- Most orders are processed within 1–3 business days, depending on product availability.
- Processing time does not include delivery time, which varies based on your location and the product’s shipping origin.
Shipping Coverage
We currently ship to addresses within the United States only.
Products may ship from:
- Our U.S. warehouses, or
- Our international fulfillment centers (including Korea, Japan, China, Australia, Mexico, Canada, the United Kingdom, and the EU).
Each product page clearly displays the “Ships From” location before checkout.
Shipping Methods & Estimated Delivery
| Shipping Method | Estimated Delivery | Cost |
|---|---|---|
| Free Shipping (US) | 5–10 business days | Free, available on eligible items |
| Standard Shipping (US to US by Item) | 5–10 business days | $6.50 for the first item, $2.00 each additional |
| Standard Shipping (From US Warehouse by Weight) | 3–7 business days | Starts at $6.50, increasing by $2 for every additional 4 oz (0.25 lb) up to 1 lb, then by $4 for each additional pound beyond 1 lb. |
| Extended Delivery (Ships from Overseas Warehouse) | 10–20 business days | $14.50 for the first item, $2.00 each additional |
Shipping costs vary by product weight, quantity and origin. Exact rates and delivery estimates are displayed on each product page and confirmed during checkout.
Free Shipping
We offer free standard shipping on select products or during promotional periods. Availability of free shipping will be displayed on the product page and at checkout.
Carriers
We primarily use USPS and UPS for U.S. deliveries. Items shipped from international warehouses may be handled by partner carriers depending on the country of origin.
Import Duties & Taxes
All import duties and taxes for goods imported into the United States are included in the product price. There are no hidden fees or additional charges at checkout.
Tracking & Notifications
Every order is fully trackable. You will receive a tracking number via email once your order ships. If your order ships in multiple packages, each package will have its own tracking number. If you don’t receive a shipping confirmation immediately, your order is still being processed and will arrive within the estimated timeframe shown at checkout.
You can track your shipment anytime using the Track Your Order page on our website.
Order Changes & Cancellations
If you need to modify or cancel an order, please contact our customer support team as soon as possible. Orders can only be canceled before they ship. Once shipped, cancellations are not possible, but you may request a return after the item is delivered.
Contact: support@ibspot.com
Item Not Received
If your tracking number shows “Delivered” but you haven’t received your package:
- Check with your local USPS or UPS office.
- Confirm that the shipping address provided was correct.
- If the issue remains unresolved, contact support@ibspot.com for assistance.
Damaged or Lost Parcels
If your package arrives damaged or fails to arrive, please contact us immediately. For deliveries to P.O. boxes, ibspot is not responsible for damage caused by weather, temperature, or theft.
Customer Support
For any questions about shipping, tracking, or delivery, our customer support team is here to help.
Email: support@ibspot.com
We’re always happy to help.
Please read our policy carefully before making a purchase.
We aim to ensure every customer has a smooth and transparent experience with ibspot.com.
Order Cancellation Policy
Customers may request to cancel an order before it has been shipped.
Once the package has been shipped, cancellations are no longer possible; however, you may still request a return after receiving your order.
How to Request a Cancellation
You can contact us through:
- Email: support@ibspot.com
- Contact Form: Submit a request through our Contact Us page
Please submit your cancellation request as soon as possible after placing the order to allow us to process it before shipment.
Return Policy
We accept returns for most items within 30 days of delivery for a full refund.
To be eligible for a return:
- The item must be unused, in the same condition as received, and in its original packaging.
- A tracking number must be provided to confirm the return shipment.
Non-Returnable Items
Certain products cannot be returned, including:
- Perishable goods (for example, food, flowers, newspapers, magazines)
- Intimate or sanitary goods
- Hazardous materials or flammable liquids/gases
- Gift cards
- Downloadable software
- Some health and personal care items
Partial Refunds (If Applicable)
Partial refunds may be granted in specific situations, such as:
- Books with obvious signs of use
- Opened CDs, DVDs, software, or vinyl records
- Items not in their original condition, damaged, or missing parts not due to our error
- Items returned more than 30 days after delivery
How to Return an Item
To initiate a return, please contact us at support@ibspot.com with your order number and details about the product you wish to return.
Our team will provide you with return instructions and a prepaid return label.
Shipping Cost for Returns
Please contact us before returning any item.
We will provide a free return shipping label.
If a return is sent back without prior contact or without our provided label, we cannot be held responsible for return shipping costs.
For items valued over $75, we recommend using a trackable shipping service or purchasing shipping insurance.
We cannot guarantee that we will receive your returned item if shipped independently.
Refund Processing
Once your return is received and inspected:
- In-store returns are refunded to the original form of payment or issued as a gift card.
- Mail-in returns using our prepaid label are refunded to the original payment method within 3–5 business days after we receive your return.
Please allow:
- 5–7 business days for the return to reach our Returns Center.
- An additional 3–10 business days for your bank to post the refund to your account.
Damages, Issues & Claims
Please inspect your order immediately upon receipt.
If you receive a defective, damaged, or incorrect item, contact us right away at support@ibspot.com.
We’ll evaluate the issue promptly and make it right.
Product Claims
Before purchasing, please review product details carefully.
If there is a problem with your order upon arrival, visit our Support Center or contact us directly to arrange return shipping or replacement.
Exchanges
We do not process direct exchanges.
The fastest way to get what you need is to return the original item and place a new order once your return is accepted.
Return Address
IBSPOT Return Center
15 Sawmill Ln
Dover Plains, NY 12522
United States
Customer Support
Our support team is available 24/7 to assist with cancellations, returns, or general inquiries.
Email: support@ibspot.com
Contact Form: Contact Us page
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