WM Wireless Communication Modules

> Products

WM Wireless Communication Modules

Detail


Click to download Product Catalogue

 

When reliable communication is needed whereas cable connection is not possible, affordable or practical….

 

When various equipment with different communication mode need to talk with each other like speaking in the same language, WM Series Wireless Communication Module is the simplest and straightforward solution.

 

Key Features

  • Single Chip Radio Frequency Integrated Circuit and MCU are used to ensure Reliability and Performance.
  • Support TTL, RS232 and RS485 for Standard and Non Standard Protocol
  • 8 User Selectable Channels
  • Independent Indicators for Power, Transmission and Receiving
  • Low Power Consumption
  • Enhanced High Anti-Interference Performance and Low Bit Error Rate
  • 300m plus Long Transmission Distance

 

Applications

  • Wireless Data Communication, Remote Control, Test and Data Monitoring for: -
  • Industrial, Commerce and Household Applications
  • Weighing Scales and Systems
  • POS System
  • Automatic Data Collecting System

 

Specifications

Model No.

WM-USB

WM-SP

WM-EP

Power Supplied by

USB

Attached Device Through Pin #9

External Power Adaptor Through DC Jack

Input Power Voltage

DC3.3~5.5V

Data Connector Type

USB

DB9 (Male)

Modulation Mode

GFSK

Working Frequency

8 Channels  428.125~437.250MHz

Transmission Power /Current

10dBm / ≤40mA

Receiving Sensitivity / Current

112dBm / ≤30mA

Data Format

8E1/8N1

Baud Rate

9600bps

Support

RS232, RS485 UART/TTL

Transmission Distance

(Unobstructed) BER=10-3/9600bps)

>=300m when placed >= 2m above ground

>=500m  when placed >= 5m above ground

Cable Length

40cm

Sleep Current

<20μA

Dimensions (mm)

45 x 70 x 18 (without Antenna)

45 x 70 x 60 (with Antenna)

Operation Environment

-10 ~ 60oC. Non-condensed. R.H.≦  85%

In the interest of improvement, specifications may change prior to notice

 

© Copyright 2012-2014 Fidelity Measurement Company Limited All rights reserved.