Product Overview

Description

433M UART/TTL Transparent Transmission RF Data Transceiver Module 1km Si4432 Wireless Data Transmission Module

Oview

The HX-43M module is a highly integrated low-power half-duplex wireless data transmission module embedded in a high-speed low-power single-chip microcomputer and a high-performance RF chip SI4432. The innovative high-efficiency cyclic interleaving error correction coding has great anti-interference and sensitivity. Improve, HX-43M module provides a choice of multiple channels, online modification of serial port rate, transceiver frequency, transmit power, RF rate and other parameters.
The HX-43M module is a wireless data communication product that conforms to industry standard applications. It has strong anti-interference ability, compact size, low power consumption and high stability. It can provide users with data signal transmission, detection and control. Advantages and features.

Feature
* Carrier frequency: 313MHz, 433MHz, 868MHz, 915MHz and other ISM frequencies;
*8 communication channels, can also be expanded according to customer requirements;
* Transmission rate: 1200, 2400, 4800, 9600, 19200, 38400 bps;
* Provide square wave transmission function, which is convenient for non-standard coding customers;
*Transmission and integration, half-duplex working mode; low power consumption;
* Working temperature: -20 ° C ~ +65 ° C (commercial grade) - 35 ° C ~ + 75 ° C (industrial grade);
* Antenna impedance: 50Q (standard SMA, customizable);

Application
*Wireless water, electricity, gas meter reading system
*Wireless sensor system
* Container Information Management System * Automated Data Acquisition System * Industrial Remote Control, Telemetry System
*Wireless POS, PDA system, asset management system
*Building community automation and security wireless monitoring system
*Robot control system*Weather, remote sensing system
*Access control system
*Wireless data transmission system
*Wireless LED display, responder and other systems

Parameter
Power supply: DC3.3-15V;
Output power: ≤20dBM; (can be customized according to user requirements)
Receive current: <25mA (TTL interface);
Receive sensitivity: -110dBm
Emission current: <100mA;
Sleep current: <10uA;
Actual transmission distance: 500 meters or more (standard 50Q antenna, open space, antenna height 1.5m);
Ideal transmission distance: 1500 meters or more (standard 50Q antenna, open space, antenna height 1.5m)
Appearance size: 16mm × 27.5mm × 2.75mm (excluding stitches).

Pin

	Interface	Function	I/O	Level
1	SLEEP	sleep control		TTL active low
2	TXD/TTL	data transmission (TTL level)	O	TTL
3	RXD/TTL	data reception (TTL level)	I	TTL
4	VCC	power supply (DC)	power	5-12V
5,7	GND	ground		0V
6	CONFIGE	mode selection	I
8	AT	Antenna	O