Mfr Part #:

RN2903A-I/RM103

Q: What is the operating frequency range of the RN2903A-I/RM103?

The operating frequency range is 902MHz to 928MHz.

Q: What is the maximum data rate supported by this transceiver?

The maximum data rate supported is 300kbps.

Q: What is the supply voltage range for the RN2903A-I/RM103?

The supply voltage range is 2.1V to 3.6V.

Q: What is the operating temperature range of this module?

The operating temperature range is -40°C to 85°C.

Q: What type of serial interface does the RN2903A-I/RM103 use?

It uses a UART serial interface.

Q: What modulation schemes are supported by the RN2903A-I/RM103?

It supports FSK and GFSK modulation.

Available from 2 distributors

Mfr Name: Microchip Technology

The Microchip Technology RN2903A-I/RM103 is an ISM band transceiver module operating at 902MHz to 928MHz. It features a sensitivity of -146dBm and a data rate of 300kbps.

✓ Total Stock: 650 pcs

$ Price Range: $6.06

RN2903A-I/RM103 Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Smaxon Electronics ✓ Non-Authorised Inventory information	345 pcs On Request	345 pcs	On Request	1	On Request	On Request	1835+	On Request	On Request
Risen Electronics ✓ Non-Authorised Inventory information	305 pcs On Request	305 pcs	On Request	1	On Request	On Request	On Request	On Request	2026-02-16 21:33:16

RN2903A-I/RM103 Description

Short technical summary and product information.

The RN2903A-I/RM103 from Microchip Technology is a surface-mount wireless transceiver module designed for ISM band applications below 1GHz. It operates within the 902MHz to 928MHz frequency range, offering a sensitivity of -146dBm and a maximum output power of 18.5dBm. This module supports FSK and GFSK modulation and achieves data rates up to 300kbps.

With a supply voltage range of 2.1V to 3.6V and an operating temperature range of -40°C to 85°C, the RN2903A-I/RM103 is suitable for various environmental conditions. It utilizes UART for serial communication and is provided in a module package, requiring an external antenna. The module is designed for surface mounting and comes in tray packaging.

This transceiver is part of the LoRa™ protocol family, making it suitable for applications requiring long-range, low-power wireless communication. Its specifications make it a versatile component for IoT devices, remote sensing, and other wireless data transmission systems.

RN2903A-I/RM103 Quick Information

Product Type: RF Transceiver Module

Canonical Name: RN2903A-I/RM103 ISM Transceiver Module

Subcategory: ISM Transceiver < 1GHz

RN2903A-I/RM103 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

RN2903A-I/RM103 Estimated Pricing

Qty	Low	High
1+	$6.06	$6.06

Estimated market price range - modelled values for guidance only, not live distributor offers.

RN2903A-I/RM103 Features

Operates in the 902MHz to 928MHz frequency range.
Achieves a sensitivity of -146dBm.
Supports data rates up to 300kbps.
Wide supply voltage from 2.1V to 3.6V.
Surface mount module for easy integration.

RN2903A-I/RM103 Applications

Ideal for IoT device communication.
Suitable for long-range wireless links.
Used in remote sensing applications.
Enables low-power data transmission.

RN2903A-I/RM103 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the operating frequency range of the RN2903A-I/RM103?

The operating frequency range is 902MHz to 928MHz.

What is the sensitivity of the RN2903A-I/RM103 module?

The sensitivity is -146dBm.

What is the maximum data rate supported by this transceiver?