SIM900A V4.0 GSM GPRS Board Module 5V

Introducing the SIM900A V4.0 Kit GSM/GPRS Module + Antenna Wireless Module – a powerful communication solution with versatile features for your projects. This kit boasts a range of functionalities and design elements that cater to both beginners and experienced users.

Key Features:
– Dual Power Supply: Choose between VCC5 for 5V power supply or VCC4 for 3.5–4.5V power supply, with optional power-on self-starting or control start.
– Antenna Options: Equipped with both SMA (default) and IPXmini antenna interfaces, ensuring signal strength. The SIM900A interface also includes a reserved reset option.
– Compact Design: The module’s size is 49x50mm, utilizing new and original components for optimal performance.
– Efficient Power Management: Supports USB module power supply for early computer debugging, with a standby mode consuming as low as 10MA for energy efficiency.
– Wide Compatibility: Compatible with 2G and mobile phone 3G, 4G cards, offering versatile connectivity options.

Additional Features:
– Serial Port Circuit: Supports 3.3V single-chip microcomputers, with TTL serial port compatibility for both 3.3V and 5V single-chip microcomputers.
– Enhanced SIM Card Circuit: Includes an SMF05C ESD chip for added protection.
– User-Friendly PCB Design: Clearly labeled interfaces, including power supply options, control pins, and antenna interfaces, following the SIM900/A design manual.
– Speech Interface: Features a speech interface and microphone interface.

Control Interface Pin Description:
– GND: Ground
– SIMR: SIM900A RXD (TTL level)
– SIMT: SIM900A TXD (TTL level)
– RST: SIM900A reset (active low)

Onboard Resources:
– Serial port circuit (with protection)
– Antenna interface circuit (SMA bend female port)
– SIM card circuit (flip SIM slot)
– 4×3.5mm fixture holes (4pcs)
– SIM900A serial port output terminal
– Size: 49mm x 47mm
– Net Weight: 28g

Package Includes:
– 1 x SIM900A GSM/GPRS Module
– 1 x Power Cable
– 1 x Antenna

Elevate your project’s communication capabilities with the SIM900A V4.0 GSM/GPRS Module – a reliable and feature-rich solution for seamless wireless communication.

Please Note: Images are for representation only. The actual Product may differ slightly in appearance.