RC1741HP-TM

Q: What is the maximum output power of the RC1741HP-TM?

The module provides a maximum output power of 27dBm.

Q: Which base IC is used in this module?

The RC1741HP-TM utilizes the CC1120 integrated circuit.

Description：RF TXRX MOD ISM<1GHZ CAST SMD
Series：Tinymesh
Mfr：Radiocrafts AS
Package：Tape & Box (TB)

SKU:0ee62552a3b3 Category: RF Transceiver Modules and Modems Brand: Radiocrafts AS

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Product introduction

Product Detailed Parameters

Description：RF TXRX MOD ISM<1GHZ CAST SMD
Series：Tinymesh
Mfr：Radiocrafts AS
Package：Tape & Box (TB)
RF Family/Standard：General ISM < 1GHz
Protocol：Tinymesh
Modulation：GFSK
Frequency：433MHz ~ 434MHz
Data Rate：100Kbps
Power - Output：27dBm
Sensitivity：-118dBm
Serial Interfaces：UART
Antenna Type：Antenna Not Included, Castellation
Utilized IC / Part：CC1120
Memory Size：-
Voltage - Supply：2.8V ~ 3.6V
Current - Receiving：31mA
Current - Transmitting：407mA
Mounting Type：Surface Mount
Operating Temperature：-30°C ~ 85°C
Package / Case：42-SMD Module

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RC1741HP-TM

Overview

The RC1741HP-TM is a compact surface-mount RF transceiver module from the Tinymesh series by Radiocrafts AS, designed for general ISM bands below 1GHz. Operating at 433MHz to 434MHz, it utilizes GFSK modulation and supports a data rate of 100Kbps via a UART serial interface. The module features a sensitivity of -118dBm and delivers an output power of 27dBm. It operates on a supply voltage of 2.8V to 3.6V, with receive current at 31mA and transmit current at 407mA. The component uses the CC1120 IC, functions within a temperature range of -30°C to 85°C, and is supplied in tape and reel packaging.

Feature Summary

Supports Tinymesh wireless mesh networking protocols
High output power capability for extended range applications
Integrated castellation design for surface mount assembly

Applications

Wireless sensor networks
Industrial telemetry systems
Smart metering infrastructure

Procurement Notes

Verify the specific frequency variant required (433MHz or 434MHz) as regional regulations differ. Confirm that the high transmit current of 407mA is supported by the target power supply design. Ensure the host system provides adequate thermal management due to the power dissipation during transmission. Check compatibility with the Tinymesh protocol stack for network integration.

Selection Notes

Select this module when high output power and strong sensitivity are critical for long-range communication in sub-1GHz ISM bands. It is suitable for applications requiring robust mesh networking capabilities with moderate data rates. Consider the higher current consumption compared to lower-power variants when designing battery-operated devices.

Part Context

This component belongs to the Tinymesh family of RF transceiver modules, which are engineered for reliable wireless mesh networking. The RC1741HP-TM specifically targets sub-1GHz frequencies, offering a balance between range and data throughput. It integrates the CC1120 radio chip into a compact SMD package, simplifying PCB layout and reducing development time for industrial IoT solutions.