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rs485 rs232 wireless module

Location:
Shenzhen, China ( Mainland)
Status:
New
Sample Availibility:
yes
Payment Terms:
Cash, Bank Transfer, Letter of Credit, T/T, L/C
Categories:
Home > Telecommunications > Wireless Communication

Product Description

Technical Specification

Modulation mode: GFSK

RF Line-of-sight Rang: 2000m(BER=10-5@9600bps; 3000m(BER=10-5@1200bps

Working Frequency: 433 MHz, 450MHz,470MHz

RF power: ≤500mW (customized)

Receiving sensitivity: -120-115dBm

Reveive current: ≤32mA

Transmitting current: ≤500mA

COM Baud rate: 1200/2400/4800/9600/19200/38400bps

RF Baud rate: 1200/2400/4800/9600/19200/38400bps

COM data format: 8E1/8N1/8O1(default 8N1)

Working temperature: -40°C~85°C

Working humidity:10%~90% The relative humidity, does not have the condensation

Outside Size:49mm×27mm×8mm (not include antenna)

Pin Definition

Table 1: PIN FUNCTIONS (TTL)

PIN

Name

Function

Description

1

VCC

Power

Power supply(5.0V)

2

GND

Ground

Ground (0V)

3

TXD

Output

Module output, TTL level(logic L:0V±0.3V; logic H:3.3±0.3V)

4

RXD

Input

Module input, TTL level(logic L:0V±0.3V; logic H:3.3±0.3V)

5

Reserve

NC

Unconnected, factory test

Table 2: PIN FUNCTIONS (RS485)

PIN

Name

Function

Description

1

VCC

Power

Power supply(5.0V )

2

GND

Ground

Ground (0V)

3

A

BUS

RS485 difference Bus

4

B

BUS

RS485 difference Bus

5

Reserve

NC

Unconnected, factory test

Table 3: PIN FUNCTIONS(RS232)

PIN

Name

Function

Description

1

VCC

Power

Power supply(5.0V )

2

GND

Ground

Ground (0V)

3

TXD

Output

Module Output, (logic L:+3.0V~+15.0V; logic H: :-3.0V~-15.0V)

4

RXD

Input

Module Input, (logic L:+3.0V~+15.0V; logic H: :-3.0V~-15.0V)

5

Reserve

NC

Unconnected, factory test

Application Scopes

* AMR Automatic Meter Reading

* Wireless alarm and security systems

* Building automation, security, wireless monitoring and Access Control System;

* Wireless data transmission, automatic data collection system;

* Low power telemetry

* 433 / 868 and 915 MHz ISM/SRD band systems

* Data radio can be used for Wireless conference voting system;

* Mapping;

* Radio modem can be used for Sports training & competition;

* Wireless dishes ordering;

* Wireless POS, PDA wireless smart terminal;

* RF modem can be used for Electronic bus station and intelligent traffic;

* RF transmitter Wireless electronic display screen and queuing machine;

* Wireless telemetry Charging for parking, parking lot;

* Wireless modem Automobile inspection and four-wheel orientation;

* Wireless sensor Industrial wireless remote control and air conditioning remote controller;

* Data communication used for railway, oil field, dock and army.

* LED display in thruway and public places

* Wireless RS232/RS485 conversion/connector;



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Contact Information

Company:
 Shenzhen Mellow Technology Co., Limited
Phone Number:
  0086-0755-86507059
Fax Number:
 
 
Shenzhen Mellow Technology Co., Limited
 Guangdong , China FREE
 

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