4G LTE 3G WCDMA Cellular SIM Card to Wired Landline RJ11 Phone Port Converter for US Canada Mexico

This cellular SIM card to RJ-11 phone jack adapter is a great mobile telephony solution for converting the 4G Voice 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. ⚠[Note]☛ Please consult with local cellular service carriers for the network system type and band frequency before purchasing this item. Easy Installation Simply insert an active SIM, mini SIM, nano SIM or micro-SIM card (using SIM adapter) into the SIM slot inside this unit and then connect with any desk phone. This unit will be ready once you can hear a dial tone from the phone connected. Wide Frequency Band Support This unit supports carriers using 4G Voice LTE, 3G Tri-Band WCDMA band frequency bands including: 4G VoLTE FDD in the frequency of 850/900/1900/2100 MHz. 3G UMTS/HSDPA/HSUPA in WCDMA frequency of 850/900/1900/2100 MHz. Phone Dialer For Security Alarm System This device can also be used as phone dialer for those security alarm systems with call-out function to call out to the monitoring center or home owner when landline not available for the location. Caller ID Display This unit can display the incoming caller ID or outgoing phone number on the phone screen. 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. No Phone Line Cut-Off By Intruders Secure your alarm line by using the cellular phone service and prevent the cut-off on the phone line by intruders.

• 4G LTE and 3G WCDMA SIM card to landline PSTN phone adapter with 2 phone sockets 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 landlineservice 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 band of 850/900/1900/2100 MHz. Supports cellular carriers adopting 3G WCDMA band of 850/900/1900/2100 MHz.
• 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 intercomwhen 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 dialer. Strong reception through the high gain antenna included with magnetic for flexible mounting and stable reception quality. Provides reversal polarity signal for metering.
• 12V DC power combined with rechargeable lithium battery for backup power supply or optional mobile use. One full charge of battery power can hold this device ready in standby mode for up to 5 days. Low battery power LED indicator .