General

The RN21 Bluetooth module is perfect for embedded applications where the Bluetooth radio must be located within a chassis. The small form factor and external antenna allow the RN21 to fit into many diverse applications. The straightforward hardware interface, castellated pads and complete software stack provides makes it easy and reliable to design into your end product. The RN21 provides a low power, high performance Bluetooth module that supports multiple protocols, including Enhanced Data Rate (EDR). The RN21 is the solution for developers needing to add wireless capability to their product but can not afford to spend significant time and money
developing Bluetooth specific hardware and software.

Features

• Postage stamp sized modules.
• Castellated SMT pads for easy and reliable PCB mounting.
• On board stacks/profiles make integration simple (no host code).
• Complete embedded solution, simplest mode requires only 4 pin connection ( TX, RX, VCC, GND).
• Sustained data performance of >230kbps.
• Advanced features such as auto pairing, and auto connect master,enabled using Programmable IO pins.
• Fully configurable with simple AT style commands over UART and Bluetooth connections.
• Low power consumption, 1mA standby, 25mA connected.
• Bluetooth v1.1, 1.2, 2.0/ EDR and 2.1 compliant.
• On board ceramic ANT(S) and external SMA ANT(E) versions.

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