GSM Fixed Wireless Terminal 850/900/1800/1900mhz Support Alarm System PABX Clear Voice Stable Signal for Office Home Use
ID: 58112

GSM Fixed Wireless Terminal 850/900/1800/1900mhz Support Alarm System PABX Clear Voice Stable Signal for Office Home Use

5.0 (16 votes) | 57 orders
Price: US $56.96 / piece
Discount Price:
US $ 51.26 / piece

Free Shipping! ADUSUN GSM 850/900/1800/1900MHZ fixed wireless terminal,Fixed celluar terminal Modem Router GSM Gateways Router Clear voice Stable signal support alarm system PABX caller ID


1.Small size 119mm*89mm*28mm,good quality. GSM 900/1800MHZ and 850/1900mhz frequency that it can use in any country of all over the world.

3.EU ,UL standard power adapter will be selected based on your country.

4.Free shipping by Fastest POST Mail with Registred tracking number

Application areas:
Analog Alarm system,Analog PABX, Elevator, Remote country, Mountains, Dwelling house with weak signals, Public telephone shops
Offices, Removable places such as Ships, Trains, and Long distance buses.
The main applications:
Connect the RJ-11 line to connect Ordinary telephone set for voice call.
Connect PBX for call extension.
Connect alarm system for security purpose. etc.
Features Supported:
1) It is a 1 channel GSM Gate way which has 1 RJ-11 outputs .
2) It can connect with ordinary telephone set, PBX ,ALARM SYSTEM etc. ;
3) Dialing tone frequency:450hz;
4) Employ Industrial module to make;
5) SIM card supported (1.8V, 3V);
6) Caller ID display. Time,date,Signal display
7) DTMF  Dialing
8) Bell signal;
9) Polarity reversal;
10) The RJ-11 socket which connect the phone or billing system for metering purpose;
11) Antenna socket (SMA);
12) Working status and Signal Strength by LED indicator;
13) IMEI Change (Presetable).
14) Supports modem mode.
15) Automatically connects to IP network when dialing long distance (Presetable)
16) Dial number Block (Presetable)
17) Incoming number Block (Presetable)
18) Volume adjustment. Time and date setting.
19) Auto card-locking and net-locking.(Presetable)

Any more questions, feel free to leave us message or talk on Cntronic messager !

  • Brand Name: Adusun
  • Certification: CE
  • Origin: CN(Origin)
  • Working Frequency: 850/900/1800/1900 MHZ
  • Model Number: EV500
  • Port Number: 1
  • Type: GSM
  • Alarm System :: Support
  • Antenna Length:: 3 meter
  • GSM Frequency:: 850/900/1800/1900MHZ
  • Power Adapter type :: UL, EU Available
  • PABX:: support
  • DTMF Dialing:: Yes


We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some location we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.


Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, if you’d like a refund you can request one no matter the reason.

If you did not receive the product within the guaranteed time(60 days not including 2-5 day processing) you can request a refund or a reshipment.

If you received the wrong item you can request a refund or a reshipment.

If you do not want the product you’ve receive you may request a refund but you must return the item at your expense and the item must be unused.

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of CNTRONIC Consumer Electronics Retailer (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of

*You can submit refund requests within 15 days after the guaranteed period for delivery (60 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.



Thank you for your interest doing business with us!

If you would like to get a discounted price for your large purchase orders, fill in the required blanks along with your email address, the product Item ID # and/or the link of the item that you want to order, item quantity (minimum of 30 pieces), shipping country and payment method is required. We will contact you with a discounted price as soon as we receive your inquiry.

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