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HiLetgo Smallest SIM800L GPRS GSM Breakout Module Quad-Band 850/900/1800/1900MHz SIM Card Slot Onboard with Antenna 3.7~4.2V

Mini GSM / GPRS breakout board is based on SIM800L module, supports quad-band GSM/GPRS network, available for GPRS and SMS message data remote transmission..
The board features compact size and low current consumption. With power saving technique, the current consumption is as low as 1mA in sleep mode..
It communicates with microcontroller via UART port, supports command including 3GPP TS 27.007, 27.005 and SIMCOM enhanced AT Commands..
AT command interface with "auto baud" detection..
TTL serial port for serial port, you can link directly to the microcontroller.

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..

【4G LTE Wired GPS TRACKER 】: Vehicle GPS Tracking Device, Support 4G 3G 2G Network, GSM LTE WCDMA, Global Universal, Wide coverage, more stable....
【SOS Emergency Alarm】: If you encounter an emergency or dangerous situation while driving and you cannot make a call with your mobile phone, you....
【Power Off Alarm & Remote Cut off Oil】: If the theft found the tracker, as he get it off, you will receive a power off alarm on your phone. And If....
【REAL TIME TRACKING & GEO FENCE】: GPRS+GPS+BDS+LBS, Real-Time Positioning by Standard map, satellite map or Real map, accurately up to 10 meters.....
【SIM GPRS & FREE APP】: The GPS tracker needs a SIM card. SIM Card Not Included. Insert the SIM card in the tracker rightly, install it with the....

... NOTE: ALL carriers'(including AT&T, T-Mobile) 3G/4G/5G Sim Card is NOT AVAILABLE/ PLS NOTE: ALL CDMA carriers(Verizon, Sprint, Boost, PagePlus) is NOT available.
Phone function - Make phone call directly from the smart watch,including answering and dial-up.SIM slot,Single SIM card (micro SIM card) can be as a phone,support make calls by Bluetooth or smart watch.
GSM/GPRS 850/900/1800/1900(2G,not support CDMA).
Sync function(Only for Android) - Whatsapp,Twitter,Facebook,Browser(need put a 2G/2.5G network SIM card).
Sport health: sleep monitoring,sedentary remind. Other functions: Image viewer, Sound recorder (need put and SD card ), Remote capture, Alarm clock, Calendar,Camera (0.3M),Two way Anti-lost..
DON'T take to shower or Use in water(Little water on face such as small rain or Washing Hands is OK). Designed to charge by computer USB port, don't use other chargers, incorrect charge by other charger may hurt the battery. Don't heat battery or use in a hot condition(such as hot car in summer)..

The wAP LTE Kit-US is a small weatherproof wireless access point with a built in cellular modem that supports 3G and 4G (LTE) connectivity.
Connect to the wAP’s built-in 802.11b/g/n wireless and access the LTE network from your phone or any other wireless device.
LTE cards are connected to two internal antennas with u.FL connectors, so if you want, you can unplug the connectors and add your own external LTE antenna for larger coverage.
Unit has the several powering options - 9-30v PoE-in by Ethernet port, DC jack and Automotive connector, very handy in mobile devices like car, bus or train.
RBwAPR-2nD&R11e-LTE-US includes LTE modem that supports LTE bands 2,4,5 and 12, mostly used by mobile operators in United States, Canada and Latin America.

World Wide Input Voltage 100-240VAC 50/60Hz. OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP:....
UpBright New Global 12V AC / DC Adapter Compatible with Cisco Systems SB-PWR-12V2A-NA SBPWR12V2ANA WAP321 Small Business AC-MR-1-US Meraki MR11 MR12....
Compatible with: Cisco AC-MR-1-US AC-MR-1-EU AC-MR-1-UK AC-MR-1-AU MR Series MR11 MR12 MR12-HW MR16 MR16-HW MR18 MR18-HW MR18HW MR18-HW 600-26010....
Compatible with: Cisco Linksys SD2008 v3 Gigabit Small Business SBPWR-12V2A-NA TCHSB-PWR-12V2A-NA SRW208G-K9-NA SB PoE Switch.
Compatible with: Cisco DYS DYS182-120150-10821 DYS182-120150W-1 DYS40-120200W-5 DYS40-120200-9C09B DYS40120200W5 DYS401202009C09B DYS40-120200W-S....

SIM800L GPRS GSM module micro SIM core board quad-band TTL serial port is ESP8266 ESP32.

1.Doesn’t support PCI-E bus type minicard such as Wifi module, only supports USB bus interface of Mini-Cards such as 2G GSM, GPRS, 3G, CDMA, WLAN, WWLAN, HSPA MODEM, GPS, 4G WiMAX, LTE, and Mini-Card to desktop PC.
2. Easy installation & no driver required, but make sure you have installed the software drivers for your WWAN card..
3. Support SIM 6pin/8pin card connector..
5. Supports Plug & Play and Hot-Swapping.

2.0MP Digital Camera, High-resolution display with 320 x 240 65.000 colors.
TFT LCD and 2.46 inches display, Bluetooth This unlocked cell phone is compatible with GSM carriers like T-Mobile. Not all carrier features may be supported. It will not work with CDMA carriers like Verizon Wireless, Alltel and Sprint..
Unlocked Quad Band: GSM 850/900/1800/1900 and GPRS capabilities.
Video format support: MPEG4, H.263, H.264, WMV3, Audio format support: AAC-LC, AAC+, eAAC+, AMR-NB, WMA9 Talk time up to 5 hours - Standby up to 17 days.
2.0 MP camera, 5X digital zoom, Video Camera Recording:Normal Mode (320x240 pixel),MMS Mode (176x144 pixel).