TX2C

433.92MHz Wide Band FM radio transmitter

TX2C/RX2B

Frequency:433.92 MHz

The TX2C and RX2B data link modules are a miniature PCB mounting UHF radio transmitter and receiver pair which enable the simple implementation of a data link at up to 64 kbps at distances up to 75 metres in-building and 300 metres open ground

Features

  • Complies with harmonised radio standard EN 300 220-3 and EMC standard EN 301 489-3
  • Data rates up to 64 kbps
  • Usable range up to 300 m
  • Versions available on 433.92MHz and 434.42MHz
  • Fully screened
  • Crystal-locked PLL, FM modulated at up to 64 Kbps
  • Operation from 2.2V to 16V (Dependent on version)
  • +10dBm on 433.92MHz
  • High efficiency, >30%, DC to RF
  • Improved frequency and deviation accuracy
  • 2nd harmonic, > -60dBc

Technical Summary

Transmitter - TX2C

  • Crystal-locked PLL, FM modulated at up to 64 Kbps
  • Operation from 2.2V to 16V (Dependent on version)
  • +10dBm on 433.92MHz
  • High efficiency,  >30%, DC to RF
  • Improved frequency and deviation accuracy
  • 2nd harmonic, > -60dBc

Receiver - RX2B

  • Single conversion FM superhet
  • SAW front end filter gives >50dB image rejection
  • Operation from 2.7V to 16V @ 12mA
  • Built-in regulator for improved stability and supply noise rejection
  • -106dBm sensitivity @ 1ppm BER, 64kb/s version
  • -108dBm sensitivity @ 1ppm BER, 10kb/s version
  • RSSI output with 60dB range
  • Extremely low LO leakage, <-100dBm

Applications

 

  • Handheld terminals
  • Data loggers
  • Industrial telemetry and telecommand
  • In-building environmental monitoring and control
  • High-end security and fire alarms
  • Vehicle data up / download