Iotminds India

This Gprs Gsm Breakout Board Based On The Ai-thinker A9g, Which Is The Newest Gsm Grps Quad-band Module. You Can Add Voice, Text, Sms, And Data To Your Project With This Module. It Is A High-cost Performance Compare With Sim800, Sim900. A9 Is An Ideal Solution For M2m Applications, Suitable For Automotive, Industrial And Pda, Personal Tracking, Electricity Environment Detection, Wireless Pos, Smart Metering, And Other M2m Applications, To Provide Comprehensive Gsm / Gprs Text Messaging, Voice And Data Transmission Services.

Features:

• Working Voltage: 5v Usb Or Lipo Battery(3.3v-4.2v)
• Support The Gsm / Gprs Four Bands, Including 850,900,1800,1900mhz
• Supports Digital Audio And Analog Audio, Supports Hr, Fr, Efr, Am R Voice Coding
• Support Voice Calls And Sms Messages
• Embedded Network Service Protocol Stack
• Support Standard Gsm07.07.07.05at Command
• Package Includes:
• 1 X Ai-thinker A9g Gsm/gprs+gps/bds Development Board

• This Is Small Sim800l GPRS GSM Module Micro Sim Card Core Board Quad-band TTL Serial Port With The Antenna, In This Module Two Antennas Have Been Included.
•   Sim800l GSM/GPRS Module Is A Miniature GSM Modem, Which Can Be Integrated Into A Great Number Of Iot Projects. You Can Use This Module To Accomplish Almost Anything A Normal Cell Phone Can; Sms Text Messages, Make Or Receive Phone Calls, Connecting To The Internet Through Gprs, Tcp/ip, And More! To Top It Off, The Module Supports Quad-band Gsm/gprs Network, Meaning It Works Pretty Much Anywhere In The World
•   First Is Made Of Wire (Which Solders Directly To Net Pin On Pcb) – Very Useful In Narrow Places. Second – Pcb Antenna – With Double-sided Tape And Attached Pigtail Cable With Ipx Connector. This One Has Better Performance And Allows To Put Your Module Inside A Metal Case – As Long The Antenna Is Outside.
•   TTL Serial Port For Serial Port, You Can Link Directly To The Micro-controller.
• Don’t Need Max232.
• Power Module Automatically Boots, Homing Network.
• Onboard Signal Lights All The Way.
• It Flashes Slowly When There Is A Signal, It Flashes Quickly When There Is No Signal.

This is a SIM900A Smart Electronics GPRS A6 Module Wireless Extension Module GSM GPRS Board Antenna Supper SIM900A. It supports GPRS data service, maximum data rate, download 85.6 Kbps, 42.8 Kbps uploading. It supports standard GSM07.07, 07.05 the AT command and the expansion of Ai Thinker command. It's chip Working voltage is 3.3 V to 4.2 V. The controller includes MP1584 Step down module, so you should supply 5V DC 0.5A to 1A power supply to power up the module.

• Working Temperature: -30 °c to + 80 °c
• Working Voltage: 3.3 V to 4.2 V
• Start Voltage: > 3.4 V
• Standby Average Current: Under 3mA
• Support the GSM/GPRS four frequencies, including 850, 900, 1800, 1900MHZ
• Sensitivity: < - 105

• Support voice calls
• Support SMS messages
• Support GPRS data service, maximum data rate, download 85.6Kbps, upload 42.8 Kbps
• Support standard GSM07.07, 07.05 the AT command and the expansion of Ai Thinker command
• Support two serial port, a download serial port, an AT command port
• Command support standard AT and TCP/IP command interface
• Support digital and analog audio, support HR, FR, EFR, AMR speech coding;
• Support the ROHS, FCC, CE, CTA certification