Product: SIM900 850/900/1800/1900 MHz GPRS/GSM Development Board Module Kit For Arduino
- 100% Brand New and high quality
- Based on SIM900 module from SIMCOM
- Compatible with Arduino and its clones
- Provides a way to communicate using GSM cell phone network
- Allows achieving SMS, MMS, GPRS, and Audio via UART by sending AT commands (GSM 07.07, 07.05, and SIMCOM enhanced AT Commands)
- 12 GPIOs, 2 PWMs, and an ADC of the SIM900 module present onboard

Features:
- Quad-Band 850/900/1800/1900 MHz - works on GSM networks in all countries across the world
- GPRS multi-slot class 10/8
- GPRS mobile station class B
- Compliant to GSM phase 2/2+
- Class 4 (2 W @ 850/900 MHz)
- Class 1 (1 W @ 1800/1900MHz)
- Control via AT commands - Standard Commands: GSM 07.07 & 07.05 | Enhanced Commands: SIMCOM AT Commands
- Short Message Service - allows sending small amounts of data over the network (ASCII or raw hexadecimal)
- Embedded TCP/UDP stack - allows uploading data to a web server
- RTC supported
- Selectable serial port
- Speaker and Headphone jacks
- Low power consumption - 1.5mA (sleep mode)
- Industrial Temperature Range - -40°C to +85°C
- Size: 8.5x5.7x2cm (approx)

Package Included:
- 1PCS * SIM900 GPRS/GSM Shield Development Board Quad-band Module Kit For Arduino Compatible

Note:
- All packages need to wait 30 days (US only needs 7-10 days)
- Less than 30 days, refunds cannot be provided
- If the item is defective or unsatisfactory, it can be returned within 14 days for a replacement or refund
- The item must be returned in factory condition
- If the item is defective within 12 months, it can be returned for a new replacement

We keep a close eye on consumer needs,offering continual innovation and product development and an ever-changing core product range.Each product undergoes rigorous development and testing,keeping quality and longevity in mind.In addition,our trained customer service team work hard to ensure that any queries are dealt with efficiently and strive to ensure that you are always provided with the highest level of customer support.

Any questions,please contact us through eBay message or e-mail,We will reply within 1-2 business days(public holidays not included).
Working time:Monday-Friday 9:00 AM-5:30PM(Beijing)

A complete and correct shipping address is essential.
Customers with shipping addresses outside of the U.S.are responsible for all duties and import taxes.Please contact your customs for information.
For any further information about shipping,please contact our customer service team.

We are happy to be able to offer our customers 60 day returns on our products.All items can be returned and a refund will be issued,provided they are returned within 60 days of receipt of purchase.In the unlikely event that you are not happy with your purchase please do not hesitate to contact our customer services team.

We offer at least 1 year guarantee on all of our products.