ReviewsGsm Gprs Edge

Samsung Galaxy S4 Mini I257 16GB Unlocked GSM 4G LTE Android Smartphone w/ 8MP Camera - Black Mist

4G-LTE Band 2, 4, 5 and 17 UMTS/HSPA+ 850/1900/2100MHz GSM/GPRS/EDGE 850/900/1800/1900MHz.
Display size (inches) 4.3 Resolution (pixels) 960x540 qHD Super AMOLED.
Internal memory storage Up to 16GB Expandable memory storage Up to 64GB Memory format microSD RAM 1.5GB.
Chipset Qualcomm Snapdragon 400 Cores Dual-core 1.7GHz.
This device is Carrier-unlocked and may be used with any GSM carrier that uses a frequency or band that this device supports. A SIM card and service....

Microsoft 640 XL is a Workforce Powerhouse at an affordable price it is GSM unlocked to work with any GSM network worldwide.
Storage: 8 GB ROM, 1 GB RAM microSD Card slot: up to 256 GB (dedicated slot) Reased: April 2015, (being that this is GSM unlocked you will need to contact your network provider to acquire a SIM card as there is no SIM card enclosed).
DISPLAY: Type IPS LCD capacitive touchscreen, 16M colors, Size: 5.7 inches (~69.1% screen-to-body ratio) Resolution: 720 x 1280 pixels (~259 ppi pixel density) Multitouch Yes Protection Corning Gorilla Glass 3 - Clear Black display PLATFORM: OS Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10 Chipset: Qualcomm MSM8226 Snapdragon 400 CPU: Quad-core 1.2 GHz Cortex-A7 GPU: Adreno 305.
Wireless Technology Bands Supported: 4G-LTE Bands 1, 2, 3, 4, 5, 7 and 17 4G HSPA+ with enhanced backhaul 3G - UMTS 850/900/1900/2100MHz GSM/GPRS/EDGE 850/900/1800/1900MHz.
Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers) Unlocked cell phones will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin.

Unlocked quad-band GSM cell phone compatible with 850/900/1800/1900 frequencies and US/International 3G compatibility via 850/900/1700/1900/2100 UMTS/HSDPA plus GPRS/EDGE capabilities.
3G-enabled smartphone in silver with 4-inch AMOLED touchscreen, slide-out QWERTY keyboard, and Symbian^3 operating system.
Up to 5 hours of talk time, up to 480 hours (20 days) of standby time.

Access 3G or 4G networks and service bands that include LTE FDD, GSM/GPRS/edge or WCDMA/HSPA+ and roam across multiple networks around the world on a secure, private broadband connection..
Enjoy integrated personal navigation from the Built-in GPS..
Rest Easy with a One-year limited Warranty..

Applications:Remote Data Monitor and Control, Water, gas and oil flow metering and schedule, Power station monitoring and control, Oil field, weather forecast, environmental protection, street lamp monitoring and control, Fleet management..
Reliable GSM/GPRS/EDGE/UMTS/HSPA network connectivity, providing fast and cost-effective long-range wireless applications.
Designed for Data, SMS and Voice Applications.
Support TCP Server, TCP Client, UDP Client Connection stack.
A Digital Input Channel for Resetting the System.
Provide the MIC Input and Speaker (32 Ω) Output Interface.

2.26 GHz Quad-Core Processor, Qualcomm SnapdragonTM 800 MSM8974 Chipset.
Battery Capacity - 3,000mAh /Embedded Li-Polymer. Talk Time- 3G - 26.5 hours, Standby Time- 34 Days 17 hours..
Entertainment - Touch Lock, Audio Effects, and Resume Play Function.
supports DivX, WMV, MP4, 3GP, and 3G2 formats Audio Effects: supports MP3, AAC,....
GSM 850/900/1800/1900 MHz, UTMS I/II/IV/V, LTE 2, 4, 17* EDGE, GPRS, UMTS (W-CDMA), HSPA+42Mbps, LTE*.
5.2" Full HD IPS Display. 13 MP High Resolution Optical Image Stabilization (OIS) Camera. Up to 4160 x 3120* (4160 x 2340 default) pixels Camera....

Will a GSM phone work for me Yes it does Since this device is Unlocked it will work on any GSM Network with a Micro size SIM Card The sim card does is....
The Galaxy S4 runs on the following Frequencies EDGE, GPRS, HSDPA, HSPA+, HSUPA, 850/900/1800/1900 4G LTE Band 17, Band 4.
What can I expect: 5.0" Full HD Super AMOLED Display 13 MP Rear Autofocus and 5 MP Front Cameras, This device has 16 GB of internal memory (9.3 Avail....
The battery capacity is 2,600 mAh Removable Battery (Model No: B600BBU) lasts up to 17 hours of talk time.
What does GSM Mean Service providers that Use SIM Cards for Service like AT&T and T-Mobile as well others that support the Bands listed in Bullet....

Quad-Band 850/900/1800/1900 MHz - could work on GSM networks in all countries around the world, work with Uno Mega.
Embedded TCP / UDP stack - allows you to upload data to a Web server | RTC supported | selectable serial port | Jac speakers and headphones.
Note: This is a new version (64M version), SMS support MMS: Multimedia message and Short Message Service - so it is possible to send small amounts of data over the network (ASCII or raw hexadecimal).
The shield allows you to get SMS, MMS, GPRS and audio via UART by sending AT commands (GSM 07.07, 07.05 and SIMCOM enhanced to commands). The shield also has the 12 GPIOs, 2 PWMs and an ADC of the SIM900 module (They are all 2V8 logic) present on board..
Application: M2M (Machine 2 Machine) Applications.Remote control of appliances.Remote Weather Station or Wireless Sensor Network.Vehicle tracking system with a GPS module.Good to learn GSM / GPRS mobile phone development, control development of remote equipment, wireless meter reading, smart appliances, ultra long distance control, etc..

Unlocked for any Global GSM Carrier in the operating frequencies supported for this Modem. Requires a data Broadband activated SIM Card.
HSPA/UMTS 2100/ 1900 MHz GSM/GPRS/EDGE 850/900/1800/1900 MHz.
Full Radio Diversity. Micro SD card slot. Sim card or Micro SD card is not included..
Operating system: Windows XP Service Pack 2 or 3. Windows Vista Service Pack 1 or 2, Windows 7. Mac OS X : 10.4, 10.5, 10.6 with latest upgrades.