What GSM system does it use...and what are the GSM fees
1301171
The system uses Quad-band GSM to communicate. GSM frequency supported: 850/900/1800/1900MHz. Basically this covers all GSM bands used worldwide. To use GSM, you will need to get a SIM card from carrier such as T-Mobile. And make sure you have good GSM signal in your house. If you have a traditional GSM band phone with your carrier, you can check your signal level and make sure you have 2 bars at least on your phone. This works like a cell phone. The system will use GSM to call and send SMS text to receiver when alarm gets triggered. User can also use SMS and calls to check system status. The cost would depend on your service plan. You can have pay-as-you-go or have a monthly service plan. The system uses minutes/text only when alarm gets triggered, or when you call the system or text to the system to arm/disarm. The system supports both GSM and Landline simultaneously. People usually buy a pay-as-you-go SIM card to use with the system. If you use landline only, it costs you nothing to operate. If you use both GSM and Landline, the system will still report via GSM even when a thief cut your phone line outside house.
1619576
It is sim card compatiible not sure about GSM but I returned the product because after my daughter played with it for 2 days it wouldn't work anymore it was defective.
81928
Thomas , yes it does support gsm and i believe it uses any standard size sim . it also has a mirco sd card slot on backside that supports up to 64 gb cards . im not sure what the dual support sim is all about, ive never dabbled in that area . the phone was locked in with att but i unlocked it two weeks ago and have tried with net 10 , t mob, att, . hope this helps . sincerely Brandon Jenkinzzz
2136467
Yes, gsm cellphone uses SIM card( carrier are AT&T & Tmobile) but CDMA cellphone does not use SIM card(carrier Verizon & Sprint)
215446
Good night, can you tell me how is the reception gsm this phone?,thanks very much.
813346
It uses full size sim. You'll need an adapter that you can get for a few bucks around here.
1615904
Yes, it uses a standard size GSM SIM. Since the phone is unlocked, you can use any standard sized GSM SIM. The one I am using is an AT&T; SIM. the nice thing about an unlocked phone is you can have a month to month contract...
1916297
no it has to be a GSM phone, the kind that runs with a sim card. This is a cdma phone. Do a little research on these two bands and you will understand a little better. It took me awhile to figure it all out but havent went wrong yet!
1166984
Not sure but it is gsm network phone you need To know what kind of signal you need for that service. Phones use GSM CDMA and LTE for signal in the US not sure what they use over seas
1808940
Hey, this is PriceAngels. This Phone is unlocked, it will work with GSM network by AT&T.;
1775118
I got it for my grandson and put it on my Walmart t mobile plan, you can use any GSM phone with that plan. the starter kit for each phone is $25 (Micro Sim) and $29/mo for the first phone and $25/mo for extra phones. unlimited talk, text and data.
1539931
This unit does not work with any GSM mobile network. It works on cable systems not cellular systems. Tmobile no longer offers this service but they continue to support existing customers.
212916
Yes you can use it with any GSM network.Since I ordered it I never have problems with this phone
1400971
The phone IS GSM, but locked to Net 10 service. If you can unlock it, you can put in your SIM. Otherwise you are limited to theirs.
446145
This is not a phone. So, no, there is no SIM card slot for gsm. You could use an app such as skype or Upptalk to call over wireless.
1009612
No, The brand new panel does not have GSM included. I do have a used 2gig system with GSM, carbon smoke detector,1 motion, 1 key fob, 1 door contact priced for $180.00? All equipment is in good condition, I just can't sell as new merchandise.
2259112
GSM phone (uses SIM), will work on: HSPA+/UMTS, HSPA+/UMTS/GSM, LTE/CDMA, LTE/HSPA+/UMTS