爱达荷州立大学中国学生学者联谊会

Chinese Association of Idaho State University (CAISU)

3G GSM Cell Phone SIM Card to Landline Wired Phone Adapter

Supports SIM cards from any cellular phone carriers that use WCDMA band frequency from 850/900/1900/2100 MHz or GSM band frequency from 850/900/1800/1900 MHz in the world. 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. No need to subscribe to regular landline service with local phone company. Save you monthly fee for home phone bill.
3G WCDMA GSM wireless to landline PSTN phone adapter with 2 phone jacks for phone line extension. Simple setup with easy operation. Suitable for remote or rural areas that do not have landline service while mobile phone network is available.4g gsm desk phone
Using any pre-paid or unlocked SIM card as the dialer to make and receive phone calls. Cheap to run the operation for alarm dialer as this 3G/GSM dialer only 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.
Displaying incoming or outgoing phone number on the phone screen display before answering the call. 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. Skip paying for the wireless radio service and save you $15 to $20 by using this cellular phone to PSTN landline phone adapter.
Strong reception with high gain antenna included. Featured magnetic base helps antenna attached to flat metal objects for flexible mounting and improving the reception quality. Provides reversal polarity signal for metering. Clear voice quality with no noise. Internal lithium battery built in with low battery power LED indicator designed for mobile use. One full charge of battery power can hold this device ready in standby mode for up to 5 days.

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