Note: This Item is not subject to return or exchange Policy,When purchasing this Item, the store is not responsible in the event that it does not work and does not collect the signal at the customer’s site. We also thank customers for their understanding that this Item is not a final product, but It is open source, programmable, and it is modified and welded, which makes it difficult for the store to give any guarantees related to the product, and the store’s technical team recommend using it at open spaces AND USE Compatible SIM Card

Product Name

SIM900A V4.0 Kit Wireless Extension Module GSM GPRS Board Antenna

SIM900A V4.0 Kit Wireless Extension Module GSM GPRS Board with Antenna is based on SIM900A chip having onboard two set power of supply interface namely VCC5 5V power supply, VCC4 interface, 3.5–4.5V power supply, optional power on self-starting (default), and control start. The onboard SMA (default) and IPXmini antenna interface, SIM900A interface reserved reset. The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. Support 2G, mobile phone 3,4G card.The serial port circuit can support for 3.3V single-chip microcomputer. TTL serial port support 3.3 and 5V single-chip microcomputer. The SIM card circuit to increase the SMF05C ESD chip. Antenna circuit guarantee short and straight so as to ensure the higher signal strength.

Features 

• Control pin all leads.
• A TTL level, compatible with 3.3V and 5V.
• The two antenna interface, the default SMA straight head, connector for IPXmini antenna.
• One way of speech interface, the way Mike interface.
• The computer can give early computer debugging USB module power supply, a very large amount of data under the condition of the recommended current more than 1A. Standby dozens of MA data can be set to provide dormancy, dormancy of 10MA low power. Support 2, mobile phone 3,4G card.
• The serial port circuit: support for 3.3V single chip microcomputer. TTL serial port support 3.3 and 5V single chip microcomputer.

Specifications

• Frequency bands Dual-band
• GPRS connectivity 90dBGPRS multi-slot class 10 (default) , GPRS multi-slot class 8 (option)
• On-Off Button YesOperating Temperature Range -30 to 80 ºCSupply Voltage VCC5 : DC 5V input. VCC4 : DC3.5 – 4.5 input
• Dimensions (LxW) 49x47mm (approx)
• Weight (gm) 28

Package Include 

• 1x SIM900A V4.0 Kit Wireless Extension Module GSM GPRS Board Antenna