Telit LE50-433 SMD-WA

Telit LE50-433 SMD-WA

Part no.: LE50433W105T020
Manufacturer: Telit

Availability: In Stock

The Telit LE50-433 SMD-WA is a surface-mount wireless module designed for IoT applications. It supports the 433 MHz wireless band and is compatible with various network standards.

This module offers a compact form factor and low power consumption, making it suitable for battery-powered devices. It features a built-in RF transceiver with an integrated antenna, simplifying design and reducing development time.

The Telit LE50-433 SMD-WA supports UART and SPI interfaces for communication with host devices. It has a wide operating temperature range and is resistant to environmental factors such as humidity and vibration, ensuring reliable performance in harsh conditions.

Key features of the Telit LE50-433 SMD-WA include long-range connectivity for extended reach, low power consumption for energy-efficient operation, compact size for space-constrained applications, easy integration with UART and SPI interfaces, and robust design for reliable performance in challenging environments.

Product features

• Range: Up to 2000 m
• up to 128 kB Flash, 4 kB RAM, 2 kB EEPROM
• 32.768 kHz real time clock (RTC), 4 timers
• Configurable output power
• 9 I/O ports max available


• Frequency: 433.05 - 434.79 MHz Channels: 4 to 8
• Modulation: GFSK
• Point to point, star network
• ACK • Addressed Mode
• Repeater Mode: bridge function (line propagation on the long distances)
• Listen Before Talk
• Telemetry
• Analog RSSI
• Cyclic wake up
• Remote CTS/RTS control
• Hayes Mode
• I/O Copy
• Download Over-the-Air
• AES encryption



• Serial Data Rate: Up to 115.2 Kbps 
• Radio Data Rate: from 9.6 kbps to 115.2 kbps


• LGA mount technology, 30 pads RF pads for antenna 
• Rectangular 26 x 15 mm, height 3 mm
• Weight 1.7 g
• Temperature: -40°C to +85°C


• Serial Interface: RS232 TTL (Tx, Rx, Cts, RTS)

Electrical & Sensitivity

• Output Power:
• Up to 14 dBm (default for EU 10 dBm) 
• Power Supply: 2.0 to 3.6 V 
• Board Consumption at 25 mW: Rx: 26 mA Tx: 45 mA 
• Std-by consumption:
-external wake-up (interrupt) 1 μA 
-cyclic wake-up (internal timer running) 3 μA 
• Sensitivity (CER ‹ 10-3): -109 dBm


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Telit LE50-433 SMD-WA

Telit LE50-433 SMD-WA

Part no.: LE50433W105T020
Manufacturer: Telit

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