Introduction

The Long-Range T2L RF transmitter module delivers ultra-stable 500m line-of-sight communication for smart home systems.Powered by a high-performance RF chip with built-in amplification, it features ultra-compact size (10.5×8.3mm), low power consumption, and 3V battery optimization.Ideal for smart appliances, security systems, and IoT devices using coin-cell or lithium batteries.ASK/OOK modulation ensures reliable data transmission up to 9.6kbps.

Parameters

RF Specifications:

• Frequency: 315MHz or 433MHz (selectable)

• Modulation: ASK/OK

• Output Power:

  • 22dBm @ 3V

  • 26dBm @ 5V

• Range: 500m LOS (line-of-sight)

• Data Rate0.1–9.6 kbps

• Frequency Tolerance: ±0.1MHz

• Antenna Impedance50Ω

Electrical:

• Voltage: 2.2V–5.5V (3V recommended)

  • Note: Use 22kΩ resistor on DAT pin at 3.7V–5.5V

• Tx Current: 40–50mA

• Standby Current:<1μA

Physical:

• Dimensions: 10.5 × 8.3 × 2.0mm

• Temperature: -40°C to +85°C

Applications:

• Smart home appliance remotes

• Wireless switches/sensors

• Industrial telemetry

• Battery-powered IoT nodes