SX1262 915MHz LoRa Module TCXO XL1262-SMT 16x16mm SPI 22dBm - Image 1
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SX1262 915MHz LoRa Module TCXO XL1262-SMT 16x16mm SPI 22dBm - Image 4

SX1262 915MHz LoRa Module TCXO XL1262-SMT 16x16mm SPI 22dBm

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Description

📡 SX1262 915MHz LoRa® Wireless Module (TCXO) – XL1262-SMT 16×16mm SPI +22dBm | AuscomTech

The XL1262-SMT SX1262 915MHz LoRa® Wireless Module is a compact, high-performance RF module designed for long-range, low-power wireless communication.
Based on the Semtech SX1262 transceiver and fitted with an onboard TCXO (Temperature Compensated Crystal Oscillator), this module delivers improved frequency stability, reliable long-distance links, and consistent performance across temperature variations.

Its small 16 × 16mm SMT footprint and standard 4-wire SPI interface make it ideal for embedded designs, IoT sensor nodes, telemetry systems, and LoRa / LoRaWAN experimentation where size, efficiency, and RF performance matter.

⭐ Key Features

📡 915MHz ISM Band (This Listing)
Optimised for the 915MHz ISM band commonly used in Australia, North America, and LoRaWAN-style deployments.

🧠 Semtech SX1262 + TCXO
Combines the low-power SX1262 LoRa® transceiver with a TCXO for improved frequency accuracy and RF stability.

🚀 High RF Output Power
Supports transmit power up to +22dBm (160mW) (supplier specification), enabling long-range communication.

📶 Excellent Receiver Sensitivity

  • Up to -137 dBm @ 125kHz bandwidth, SF12 (supplier stated)

  • Designed for reliable links in noisy or low-signal environments

🔄 LoRa® & GFSK Modulation
Supports LoRa® for long-range, low-data-rate communication and GFSK for higher data rate applications.

🧩 Compact SMT Design

  • 16 × 16mm module

  • Suitable for direct integration into custom PCBs and production designs

🔗 Standard SPI Interface
4-wire SPI interface for straightforward integration with common MCUs and SoCs.

⚡ Low Power Operation

  • Receive current: ~6.5 mA

  • Sleep / hibernate current: ~1 µA
    Ideal for battery-powered and solar-powered systems.

📊 Technical Specifications

RF & Performance

  • Chipset: Semtech SX1262

  • Frequency Band: 915 MHz

  • Max Output Power: +22 dBm (160 mW) (supplier spec)

  • Modulation: LoRa®, GFSK

  • Receiver Sensitivity: -137 dBm @ 125kHz, SF12 (supplier spec)

  • Open Area Range: >5 km (line-of-sight, environment dependent)

Electrical

  • Data Interface: 4-wire SPI

  • Transmit Current: 110 mA @ 160 mW

  • Receive Current: 6.5 mA

  • Sleep Current: ~1 µA

Mechanical

  • Module Size: 16 × 16 mm

  • Pad Pitch / Interface Distance: 2.0 mm

  • Mounting: SMT

🧩 Compatible With

• ESP32 / ESP8266
• STM32 microcontrollers
• Arduino-compatible boards (with 3.3V logic)
• Custom embedded systems
• LoRa / LoRaWAN gateways and nodes

🔧 Typical Applications

• Long-range IoT sensor nodes
• Water quality, environmental, and weather monitoring
• Remote telemetry and industrial monitoring
• Agriculture, irrigation, and farm networking
• Asset tracking and property links
• LoRa / LoRaWAN prototyping and testing

⚠️ Important Notes

• This listing is for the 915MHz version
• Some supplier datasheets list 433 MHz because this module family is produced in multiple frequency variants
• If you require 433MHz contact us before ordering
• 3.3V logic required – not 5V tolerant
• External antenna required for optimal RF performance

📦 Package Includes

• 1 × XL1262-SMT SX1262 915MHz LoRa® Wireless Module
• 1 × Spring Antenna

📌 Code Examples & Usage – SX1262 915MHz LoRa® Wireless Module (XL1262-SMT)

📋 Overview

The XL1262-SMT SX1262 LoRa® module is a high-performance, low-power long-range RF transceiver designed for embedded and IoT applications requiring reliable communication over kilometres of distance.

Based on the Semtech SX1262 and fitted with an onboard TCXO, this module offers improved frequency stability, consistent RF performance, and excellent sensitivity — making it suitable for LoRa, LoRaWAN-style, and custom point-to-point protocols.

The module communicates via a 4-wire SPI interface and operates at 3.3V logic.

⚙ Key Technical Notes (Important)

  • ✔ 3.3V logic ONLY (not 5V tolerant)

  • ✔ SPI interface (SCK, MOSI, MISO, NSS)

  • ✔ External antenna required for RF performance

  • ✔ TCXO improves frequency stability over temperature

  • ✔ Suitable for custom LoRa and LoRaWAN stacks

⚠️ Frequency Variant Clarification

🚨 This listing is the 915 MHz version

  • Optimised for Australia, North America

  • Some supplier datasheets mention 433 MHz due to multi-band family variants

  • If you require 433 MHz, contact AuscomTech before ordering

🔌 Typical Pin Connections (SPI)

Exact pin labels may vary by breakout or PCB — always refer to your board layout.

SX1262 MCU (ESP32 example)
VCC 3.3V
GND GND
SCK GPIO18
MOSI GPIO23
MISO GPIO19
NSS / CS GPIO5
RESET GPIO14
BUSY GPIO27
DIO1 GPIO26

📌 BUSY and DIO1 are required for correct operation on SX1262 devices.

🔌 ESP32 Wiring Notes (Recommended Platform)

✔ ESP32 is ideal due to:

  • Native 3.3V logic

  • Fast SPI

  • Low-power sleep modes

  • Strong LoRa library support

📌 Do not connect SX1262 directly to 5V Arduino GPIO without level shifting.

🛠 Arduino IDE Library (Recommended)

Use RadioLib (actively maintained, SX126x-native):

Arduino IDE → Library Manager → Search “RadioLib”

✔ Supports SX1262
✔ Supports LoRa, GFSK
✔ Works with ESP32, STM32, Arduino (3.3V)

🧪 1️⃣ Basic LoRa Transmit Example (ESP32 + SX1262)

#include <RadioLib.h>

// SX1262 wiring
SX1262 radio = new Module(5, 26, 14, 27);
// CS, DIO1, RESET, BUSY

void setup() {
Serial.begin(115200);

int state = radio.begin(915.0);
if (state != RADIOLIB_ERR_NONE) {
Serial.print(“Init failed, code “);
Serial.println(state);
while (true);
}

radio.setOutputPower(22); // +22 dBm (module spec)
radio.setSpreadingFactor(12);
radio.setBandwidth(125.0);
radio.setCodingRate(5);

Serial.println(“SX1262 ready”);
}

void loop() {
Serial.println(“Sending packet…”);
radio.transmit(“Hello from AuscomTech SX1262”);
delay(5000);
}

🧪 2️⃣ Basic LoRa Receive Example

void loop() {
String str;
int state = radio.receive(str);if (state == RADIOLIB_ERR_NONE) {
Serial.print(“Received: “);
Serial.println(str);
}
}

📡 RF Configuration Notes

Typical long-range configuration:

Parameter Value
Frequency 915 MHz
Bandwidth 125 kHz
Spreading Factor SF12
Coding Rate 4/5
TX Power +20 to +22 dBm

📌 Higher SF = longer range, lower data rate
📌 Always comply with local ISM regulations

🔋 Power Consumption Notes

  • TX current: ~110 mA @ +22 dBm

  • RX current: ~6.5 mA

  • Sleep: ~1 µA

✔ Ideal for:

  • Battery-powered nodes

  • Solar IoT systems

  • Remote sensors

📐 Antenna Notes (Very Important)

✔ Use the supplied spring antenna or a tuned 915 MHz antenna
✔ Keep antenna clear of ground planes and metal
✔ Do not transmit without an antenna attached

🚨 Transmitting without an antenna may permanently damage the RF PA.

🧠 Common Issues & Fixes

Issue Cause Fix
No communication BUSY/DIO1 not wired Connect correctly
Init fails Wrong pins Verify Module() wiring
Very short range No antenna Fit proper antenna
ESP32 resets TX current spike Use solid 3.3V supply
Garbage packets RF mismatch Check frequency & BW

🧩 LoRaWAN Use

This module can be used with LoRaWAN, but requires:

  • LoRaWAN firmware stack

  • Proper regional parameters (AU915 / US915)

  • Gateway for network operation

📌 For beginners, start with point-to-point LoRa first.

Additional information

Weight 30 g
Dimensions 260 × 160 × 20 mm

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