Parallax 64222 3G Sara Click

The Parallax 64222 3G Sara Click is a compact cellular IoT module that enables 3G connectivity for embedded systems and microcontroller projects through a simple click-based interface. Professional IoT developers, industrial automation engineers, and embedded systems designers use this module to add reliable cellular communication to remote monitoring systems, telemetry applications, and connected devices. This product solves the critical challenge of adding multi-band 3G/2G cellular connectivity without complex RF design, reducing development time and ensuring reliable global network coverage for mission-critical applications.

Product Overview

The Parallax 64222 3G Sara Click module integrates a u-blox SARA-G350 cellular module with a standardized mikroElektronika Click interface, enabling plug-and-play 3G connectivity for development boards. The module operates on quad-band GSM/GPRS/EDGE (850/900/1800/1900 MHz) and dual-band UMTS/HSPA (850/1900 MHz), providing seamless fallback between 3G and 2G networks for maximum coverage reliability. The integrated SIM card slot, power management circuitry, and status LEDs eliminate the need for external RF components, while the standardized Click connector ensures compatibility with any mikroBUS-enabled development platform.

The Sara Click architecture features a serial UART interface operating at 115200 baud for AT command communication, integrated power supply regulation supporting 3.3V logic with 5V tolerant inputs, and comprehensive status indication through LED feedback. The module includes built-in antenna matching networks and operates within industrial temperature ranges, making it suitable for both prototype development and production deployment. Advanced features include SMS and GPRS data transmission, TCP/UDP socket support, and embedded file system capabilities for storing certificates and configuration data.

Key Specifications

Specification	Details
Product Type	3G Cellular IoT Module with Click Interface
Brand	Parallax / u-blox
Origin	Original/Authentic
Warranty	7 days on manufacturing defects
Shipping	1-5 days from Bengaluru
Delivery	7-8 days across India
Support	24/7 via Email and WhatsApp
Cellular Standards	GSM/GPRS/EDGE/UMTS/HSPA (3G/2G)
Frequency Bands	850/900/1800/1900 MHz GSM, 850/1900 MHz UMTS
Interface	mikroBUS Click Connector with UART Serial
Baud Rate	115200 bps default, configurable via AT commands
Power Supply	3.3V logic with 5V tolerant inputs
Operating Temperature	-40°C to +85°C industrial grade

Key Features

• Quad-band GSM and dual-band UMTS support enabling global cellular coverage with automatic network selection and fallback protocols
• Standardized Click interface providing plug-and-play compatibility with Arduino, PIC, ARM, and other mikroBUS-enabled development platforms
• Integrated SIM card slot with hot-swap capability and 1.8V/3V SIM voltage support for maximum compatibility with regional SIM cards
• Full AT command set support including SMS, GPRS data, TCP/UDP sockets, and embedded file system for secure certificate storage
• Comprehensive status LEDs and power management circuitry eliminating external component requirements for rapid prototyping
• Industrial-grade temperature range and robust design suitable for both development and production deployment scenarios

Applications and Use Cases

• Remote IoT monitoring systems requiring reliable 3G connectivity for sensor data transmission from field locations without WiFi infrastructure
• Industrial telemetry and SCADA applications needing cellular backup communication for critical equipment status reporting and predictive maintenance
• GPS tracking devices and fleet management solutions leveraging cellular connectivity for real-time vehicle location and status updates
• Smart metering and utility monitoring systems transmitting consumption data and alerts via cellular networks to central data collection platforms
• Emergency response and medical alert systems requiring always-on cellular connectivity for critical alarm transmission and patient monitoring
• Agricultural IoT applications monitoring soil conditions, weather parameters, and equipment status across distributed farm locations

How to Use

Begin by inserting a compatible SIM card into the integrated slot on the Parallax 64222 3G Sara Click module, ensuring proper orientation with the beveled corner aligned correctly. Connect the module to any mikroBUS-compatible development board by aligning the Click connector pins with the target board's mikroBUS socket, ensuring the module sits flush against the carrier board. Configure your development environment to communicate with the module via UART at 115200 baud rate, then initialize the module using standard AT commands such as AT+CFUN=1 to enable full functionality and AT+CREG? to verify network registration status.

Once network registration is confirmed, you can establish data connectivity using AT+SAPBR commands for GPRS context activation, AT+HTTPINIT for HTTP operations, or AT+CIPSTART for TCP/UDP socket connections. For SMS functionality, use AT+CMGF=1 to set text mode and AT+CMGS to send messages. Monitor signal strength using AT+CSQ commands and implement automatic reconnection logic to handle temporary network dropouts. The module supports both synchronous command responses and unsolicited result codes, enabling event-driven programming for incoming SMS and network status changes.

Frequently Asked Questions

What is the difference between 3G and 2G fallback capability on this module?

The Parallax 64222 operates on 3G/UMTS networks when available for faster data speeds up to 7.2 Mbps, automatically falling back to 2G/GSM networks in areas without 3G coverage. This dual-mode operation ensures continuous connectivity across regions with varying network infrastructure, making it ideal for applications requiring reliable coverage in both urban and remote areas. The fallback is automatic and transparent to your application code.

Can I use this module with any development board or microcontroller?

The Parallax 64222 uses the standardized mikroBUS Click interface, compatible with any development board featuring a mikroBUS socket. This includes Arduino-based platforms with Click shields, Raspberry Pi with Click HAT adapters, PIC microcontrollers, ARM Cortex boards, and many others. You only need to ensure your board has a free mikroBUS socket and can communicate via UART serial at 115200 baud rate. If your board lacks a mikroBUS socket, Click breakout adapters are readily available.

How do I handle incoming SMS messages and network status changes?

The module supports unsolicited result codes that are automatically transmitted when SMS arrives or network status changes. Configure your serial communication handler to monitor incoming data continuously and parse codes like +CMT for incoming SMS and +CREG for registration status changes. Implement interrupt-driven or polling-based handlers in your firmware to capture these events and trigger appropriate application responses. The module documentation provides detailed AT command sequences for enabling and handling these unsolicited codes.

What SIM card types are compatible with this module?

The module supports standard 2FF SIM cards (credit card size) with both 1.8V and 3V operating voltages. Most regional SIM cards from major carriers are compatible. Ensure your SIM plan includes GPRS/3G data and SMS services if you plan to use those features. Some carriers may require activation of specific data plans for IoT applications. Test your specific SIM card with the module before deployment in critical applications.

When will I receive my order?

Orders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.

What is your return and warranty policy?

We offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.

Are bulk discounts available?

Yes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.

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• Returns: 7-day return policy on manufacturing defects only

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