General description

The CMM-9201-V7.4 module is a miniaturised 2.4GHz transceiver module based on EM Microelectronic's low energy RF transceiver EM9201/03. The module is highly optimized for proprietary link application requiring ultra low power consumption and short time-to-market. It offers a plug and play solution for any EM9201 application without any additional hardware nor RF layout. Built in with a folded-dipole PCB antenna, this small sized, low cost module provides an ideal solution to wireless 2.4GHz license- free application worldwide.

The EM9201/03 is a low-voltage 2.4GHz transceiver IC with built-in link-layer logic permitting proprietary wireless links in the 2.400 ... 2.4835 GHz ISM band. It has a radio core with a low-IF architecture and GFSK modulation scheme with the following outstanding features.


  • Operating voltage 1.9V ~ 3.6V
  • Mini-sized (18.5mm x 13mm)
  • Integrated Battery Low Detection
  • Programmable RF output level (-20 to +2 dBm) via software control
  • Low current consumption
  • US FCC, Europe R&TTE and Japan MIC compliance approved
  • Reaches 60m at open space line of sight
  • SPI interface to host controller
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