About this part

WL865E4P000T001000 – 4MB Flash Bluetooth/WiFi Dual-Band Module – Telit

Elevate your IoT and wireless connectivity solutions with Telit’s WL865E4P000T001000 RF module. This surface-mount module integrates Bluetooth 5.0 and dual-band WiFi (2.4GHz/5GHz) in a compact package, delivering reliable wireless communication for embedded systems. Engineered for industrial environments, it offers robust performance across extended temperature ranges while minimizing development complexity.

Key Features

• Wireless Protocols: 802.11a/b/g/n WiFi + Bluetooth v5.0
• Dual-Band Support: 2.4GHz & 5GHz operation
• Memory Capacity: 4MB integrated Flash storage
• High Sensitivity: -96dBm reception for stable connections
• Industrial Voltage: 3.3V ±10% supply
• Extended Temperature Range: -40°C to 85°C operation

Technical Specifications

This Telit module provides comprehensive interface support including USB, UART, SPI, I2C, SDIO, and 12x GPIO pins for peripheral integration. With 19dBm transmit power and 54Mbps data rates, it maintains strong signal integrity in noisy environments. The WL865E4 base architecture ensures firmware compatibility across Telit’s ecosystem. Surface-mount design simplifies PCB integration in space-constrained applications.

Typical Applications

• Industrial IoT sensors and controllers
• Smart home automation systems
• Medical monitoring devices
• POS terminals and retail kiosks
• Automotive telematics units

About Telit

Telit Cinterion, a global leader in IoT enablement, delivers industrial-grade wireless solutions trusted by Fortune 500 companies. With 20+ years of innovation, their modules undergo rigorous testing for reliability in critical applications across automotive, healthcare, and industrial sectors.

The company’s vertically integrated manufacturing ensures consistent quality and long-term supply stability. Telit maintains comprehensive certification portfolios (including FCC, CE, and IC) to accelerate customer product launches while reducing compliance overhead.

About Flash Memory in Wireless Modules

Flash memory serves as non-volatile storage for firmware, configuration files, and operational data in embedded wireless systems. This allows devices to retain critical information during power cycles and enables field updates for feature enhancements or security patches.

In modules like the WL865E4P000T001000, integrated 4MB flash eliminates external memory components, reducing BOM cost and board space. The onboard storage is essential for protocol stacks, encryption keys, and device-specific parameters, ensuring reliable operation in standalone IoT deployments.

Packaging

Available in strip packaging for automated SMT assembly. Contact PCX for reel quantities or custom packaging requirements.

Frequently Asked Questions

Q: Does this module include an antenna?
A: No, the WL865E4P000T001000 requires an external antenna. Consult the datasheet for antenna specifications and layout guidelines.

Q: What certifications does this module hold?
A: Telit modules typically include FCC, CE, and IC certifications. Verify current certifications on the product datasheet.

Q: Can I update firmware post-deployment?
A: Yes, the 4MB flash supports FOTA (Firmware Over-The-Air) updates via Telit’s management platform.

Q: Is Bluetooth Low Energy (BLE) supported?
A: Yes, Bluetooth 5.0 includes BLE functionality for energy-efficient applications.

Q: What development tools are recommended?
A: Telit provides the xIDE SDK and EVK-WL865E4 evaluation kit for accelerated development.

Q: How does flash memory improve module reliability?
A: Integrated flash reduces component count and solder joints, increasing MTBF while providing secure, tamper-resistant storage.

Note: Product images are representational. Refer to datasheets for exact dimensions and specifications. Access technical documentation at PCXCo.com/datasheets/WL865E4P000T001000

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