Top Module Gsm Sim900 Reviews

RedTagCanada SIM900 Quad Band GSM GPRS Quad-Band Modules 2G Shield Development Board for R3 Mega with Antenna for Arduino SCM & DIY Kits

  • ...rt 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..
  • Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced.
  • Power jack - connected to external 4.8~5VDC power supply, Antenna interface - connected to external antenna, Serial port select - select either software serial port or hardware serial port to be connected to GPRS Shield.
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Huawei Mate 9 Dual-SIM 256GB ROM (GSM Only | No CDMA) Factory Unlocked 4G/LTE Smartphone (Space Gray) - International Version

  • For USA Buyers : This Smartphone is compatible/will work with CERTAIN GSM Networks ONLY. For exact 2G GSM, 3G & 4G/LTE compatibility, please check with your network provider in advance prior to your purchase. This phone WILL NOT WORK with any CDMA Networks such as VERIZON, SPRINT, US CELLULAR and T-Mobile..
  • Dual-SIM, Network Compatibility, SIM CARD 1: [2G : GSM 850 / 900 / 1800 / 1900 and/or 3G: HSDPA 800(B6) / 800(B19) / 850(B5) / 900(B8) / 1700|2100(B4) / 1900(B2) / 2100(B1) and/or 4G: LTE 700(B12) / 700)(B17) / 700(B28) / 700(B29) / 800(B18) / 800(B19) / 800(B20) / 850(B5) / 850(B26) / 900(B8) / 1700|2100(B4) / 1800(B3) / 1800(B9) / 1900(B2) / 1900(B39) / 2100(B1) / 2300(B40) / 2600(B7) / 2600(B38)] SIM CARD 1: [2G : GSM 850 / 900 / 1800 / 1900].
  • 5.9 inches, 1080 x 1920 pixels, IPS LCD, Corning Gorilla Glass 3.
  • 256GB Storage, microSDXC (uses shared SIM slot).
  • Android 7.0 (Nougat), upgradable to Android 9.0 (Pie), EMUI 9.1, Kirin 960 (16 nm), Octa-core (4x2.4 GHz Cortex-A73 & 4x1.8 GHz Cortex-A53).
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Honor 10 Lite Dual-SIM 64GB (GSM Only, No CDMA) Factory Unlocked 4G/LTE Smartphone - International Version (Sapphire Blue)

  • For USA Buyers : This Smartphone is compatible/will work with any GSM Networks such as AT&T, T-Mobile. For exact 2G GSM, 3G, 4G/LTE compatibility, please check with your network provider in advance prior to your purchase. This phone WILL NOT WORK with any CDMA Networks such as VERIZON, SPRINT, US CELLULAR..
  • Dual-SIM, Network Compatibility : SIM CARD 1 [ 2G GSM 850 / 900 / 1800 / 1900 and/or 3G UMTS 850(B5) / 900(B8) / 1900(B2) / 2100(B1) and/or 4G LTE 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2600(B7) ] and SIM CARD 2 [ 2G GSM 850 / 900 / 1800 / 1900 ].
  • 6. 21 inches, IPS LCD capacitive touchscreen, 16M colors, 1080 x 2340 pixels.
  • 64GB Storage, 3GB RAM , Up to 512GB (uses SIM 2 slot) micros Card slot.
  • Android 9. 0 (Pie), HI silicon Kirin 710 (12 nm), Octal-core (4x2. 2 GHz Cortex-A73 & 4x1. 7 GHz Cortex-A53), Dual 13MP Rear Camera, f/1. 8, 26mm (wide), PDAF, LED flash, HDR, panorama, 1080p@30/60fps, 24MP Front Camera, f/2. 0, 26mm (wide), 0. 9µm, HDR, 1080p@30fps.
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Caterpillar CAT B30 Dual SIM IP67 (GSM Only, No CDMA) Factory Unlocked 3G Cell Phone (Black) - UK/EU Version

  • For USA Buyers : This Smartphone is compatible/will work with CERTAIN GSM Networks ONLY. For exact 2G GSM and 3G compatibility, please check with your network provider in advance prior to your purchase. The device is Not Compatible with any 4G/LTE Networks. This phone WILL NOT WORK with any CDMA Networks such as VERIZON, SPRINT, US CELLULAR and T-Mobile..
  • Dual-SIM, Network Compatibility : SIM CARD 1 [ 2G GSM 850 / 900 / 1800 / 1900 and/or 3G 900(B8) / 2100(B1) ] and SIM CARD 2 [ 2G GSM 850 / 900 / 1800 / 1900 ].
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Samsung Galaxy S9 (64GB, 4GB RAM) 5.8

  • IMPORTANT: Device is Unlocked! Device may boot up to one Carrier 1st Time But Adapts Its Software to SIM Card Carrier, & Downloads that Carriers Apps. Insert SIM, Turn On, & Accept Prompt. Unlocked for freedom to choose your carrier. Compatible with both GSM & CDMA networks. The phone is unlocked to work with all GSM Carriers & CDMA Carriers Including AT&T, T-Mobile, Verizon, Sprint., Etc..
  • 64GB ROM, 4GB RAM, Single SIM - Nano SIM, OS: Android 8.0 (Oreo), 10nm 64-bit Octa-Core Processor 2.8GHz + 1.7GHz.
  • Front Camera: 8MP, Rear camera: 12 MP, Digital zoom up to 8x, Selective Focus (background blur effect).
  • 2G bands: GSM 850 / 900 / 1800 / 1900, 3G bands: HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100, 4G bands: LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 14(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 30(2300), 38(2600), 39(1900), 40(2300), 41(2500), 46, 66(1700/2100), 71(600).
  • 5.8" Quad HD+ Super AMOLED (2960x1440), 570 ppi, Stereo speakers tuned by AKG.
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Thustar Professional Wireless Home Office Security System Remote Control Intelligent LED Display Voice Prompt House Business GSM Wireless Burglar Alarm Auto Dial Outdoor Siren

  • ...ntroller, which will trigger all alarms and send emergency calls and messages to other families, so they can get help in time. Support 6 groups preset alarm phone number, if alarm occurs, the host will dial preset number automatically and 10 seconds help voice recording.
  • Network Support: The alarm panel built-in GSM Module, it support GSM SIM card, T-Mobile sim card can work with our system (This alarm do not including GSM sim card). When the sensor is triggered, the alarm panel will make an call or send alert message to the alert phone number you set before. The GSM (only) frequency is 850/900/1800/1900MHZ, which can be applied in all over the world.
  • In GSM status, 6 groups calling alert phone number and 2 groups help SMS number you can set.
  • The alarm system can be used internationally, it can work under two conditions: No monthly fees and contracts with security companies. No network, standalone on-site alarming.
  • Put-in a GSM SIM card (This alarm do not including GSM sim card) to call/send alert message, you can choose one of two ways or use all of them. The whole system complete with fully programmable main unit and wireless sensors. Before using, please kindly read user’s manual.
  • The alarm panel built-in AAA Ni-Hi rechargeable battery that can....
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Samsung Galaxy Mega 6.3 I527 16GB Unlocked GSM 4G LTE Smartphone w/ 8MP Camera - White

  • Android OS: v4.2.2 (Jelly Bean)CPU:Dual-core 1.4 GHzColor: BlackBluetooth: v4.0, A2DP, LENFC: NoUSB: microUSB v2.0.
  • 2G Network: GSM 850 / 900 / 1800 / 1900 (SIM 1 & SIM 2)3G NetworkHSDPA 850 / 900 / 1900 / 2100SIM: Optional Dual SIM (Micro-SIM).
  • CAMERA Primary: 8 MP, 3264 x 2448 pixels, autofocus, LED flash, check qualityFeatures Geo-tagging, touch focus, face and smile detectionVideo: 1080p@30fps, check qualitySecondary: 1.9 MP.
  • 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..
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Nokia Lumia 635 8GB Unlocked GSM 4G LTE Windows 8.1 Quad-Core Phone - Black

  • DOES THIS DEVICE NEED A SIM CARD: Yes this device needs a micro size SIM card, (not-Included though Free from most GSM Networks with activation of an account).
  • WHAT NETWORK FREQUENCIES ARE SUPPORTED BY THIS DEVICE: The Phone will support the following Technology Bands: GSM 850 / 900 / 1800 / 1900 3G bandsHSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 17(700), 20(800), 28(700), 38(2600), 40(2300), 41(2500). With enhanced back-haul with Global roaming supported. Please contact your Network provider (prior to purchase) and inquire if they support these bands in your area..
  • WHAT CAN I EXPECT OUT OF THE BOX: A removable 3,000mAh battery that lasts for 18 hours of continuous streaming and67 hours of continuous music playback the device comes with a Qualcomm MSM8992 Snapdragon 808 (20 nm) processor as well as 3 GB o RAM the Screen features a Corning Gorilla Glass 3 LCD for utmost protection..
  • WHAT DOES UNLOCKED REALLY MEAN: Unlocked devices are compatible with GSM carriers the kinds that Use SIM Cards for Service like AT&T and T-Mobile as well as with GSM SIM cards (e.g. H20, Straight Talk, and select prepaid carriers) Unlocked Devices will not work with CDMA Carriers the kinds that....
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SONY XPERIA Z3 D6603 5.2' White 16GB IP65/IP68 FactoryUnlocked LTE 4G 3G 2G GSM Cell Phone - International Version No Warranty

  • LTE 700/800/850/900/1700/1800/1900/2100/2600 (1/2/3/4/5/7/8/13/17/20) - D6603.
  • NOT FOR VERIZON SPRINT OR ANY CDMA CARRIER.
  • 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..
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Development Board Module Kit Fit for 850/900/1800/1900 MHz GPRS/GSM Antenna, 5~26V

  • Computer debugging USB--TTL. This module is powered by: 5V-26V, 5V 2A power supply is recommended. After plugging in the motherboard, the power supply must be able to supply 2A. The reason is that the GPRS Shield startup current and the maximum top current required to work up to 2A, but the USB port can not provide such a large current, so the external power supply equipment must be provided..
  • The other power supply port leads to the 3.7--4.5V power supply for lithium battery power supply. The serial port is perfectly compatible. The TTL serial port is compatible with 3.3 and 5V microcontrollers..
  • Make sure your SIM card is not locked. The best baud rate for GPRS Shield communication is 19200 BPS 8-n-1 (GPRS Shield automatically matches baud rate by default). Quad-Band 850 / 900/ 1800 / 1900 MHz - would work on GSM networks in all countries across the world..
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Sony Xperia XA1 Ultra G3226 64GB Pink, 6.0', Dual Sim, GSM Unlocked International Model, No Warranty

  • Screen: 6.0 inches, OS:Android 7.0 (Nougat), Chipset: Mediatek MT6757 Helio P20, CPU: Octa-core, Memory: 64 GB, 4 GB RAM, Camera: Primary 23 MP, Secondary 16 MP. SIM: Dual SIM. Card slot: microSD, up to 256 GB..
  • Unlocked cell phones are compatible with GSM carrier such as AT&T and T-Mobile, but are not compatible with CDMA carriers such as Verizon and Sprint..
  • Please check if your GSM cellular carrier supports the bands for this model before purchasing, LTE may not be available in all regions: 2G: GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2, 3G:HSDPA 850 / 900 / 1900 / 2100, LTE: LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 28(700), 38(2600), 39(1900), 40(2300), 41(2500)..
  • This device may not include a US warranty as some manufacturers do not honor warranties for international items. Please contact the seller for specific warranty information..
  • The box contains: Your new device, USB cable, Charger (may be foreign), Documentation..
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Nokia 2720, 2.8' (TA-1170) 4GB, Dual SIM, Flip Phone, GSM Unlocked, International Version, No Warranty - Black

  • For USA Buyers: This Smartphone is not compatible/will not work with any CDMA Networks including: VERIZON, SPRINT, US CELLULAR. Please check with your network provider for 3G or 4G/LTE compatibility check before you purchase..
  • Dual-SIM, Network Compatibility, SIM CARD 1 : [2G : GSM 850 / 900 / 1800 / 1900 and/or 3G : WCDMA 850(B5) / 900(B8) / 2100(B1) and/or 4G : LTE: 800(B20) / 850(B5) / 900(B8) / 1800(B3) / 2100(B1) / 2600(B7)] SIM CARD 2 : [2G : GSM 850 / 900 / 1800 / 1900].
  • 2.8 inches, TFT, 256K colors, 240 x 320 pixels.
  • 4GB Storage, 512MB RAM, microSDHC (dedicated slot).
  • KaiOS, Qualcomm MSM8905 Snapdragon 205 (28 nm), Dual-core (2x1.1 GHz Cortex-A7).
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ZTE AVID PLUS Z828, (8GB, 1GB RAM), 5.0\ Full HD Display, 5MP Rear Camera, 2300 mAh Battery, 4G LTE Smartphone, (GSM Unlocked)

  • DOES THIS DEVICE NEED A SIM CARD: Yes it does Being that this device is GSM Unlocked it will work on any active GSM Nano size SIM Card, The sim card does NOT come included you will need to contact your GSM Network Provider to acquire your complimentary Sim card (Free from most GSM Network Providers with activating of an account)..
  • WHAT NETWORK FREQUENCIES ARE SUPPORTED BY THIS DEVICE: The Phone will support the following Frequency Bands: GSM / HSPA / LTE (2G): 850, 900, 1800, 1900. (3G) HSDPA 850, 1700 (AWS) 1900. (4G) bands 2(1900), 4(1700/2100), 12(700). Speed HSPA, LTE Cat4 150/50 Mbps. Please contact your GSM Network Provider (prior to purchase) and inquirer if they support these bands in your area to ensure the device will work Properly..
  • Dragontrail, manufactured by Asahi Glass Co. will keep the screen protected with its scratch resis....
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