The CMT2189A devices are fully integrated, highly flexible, high performance, SoC (G)FSK/OOK transmitters with embedded RISC microcontroller core for various 240 to 960 MHz wireless applications. They are part of the CMOSTEK NextGenRFTM family, which includes a complete line of transmitters, receivers and transceivers. The CMT2189A includes a 1024 words flash for programming the user's application, supports up to 4 push buttons to implement the user defined functions. All the device features (such as frequency, output power, WDT, Security and etc.) and programs can be burned into the device using the CMOSTEK USB Programmer and RFPDK. Alternatively, in stock product of 868.35 MHz is available for immediate demands. The CMT2189A uses a 1-pin crystal oscillator circuit with the required crystal load capacitance integrated on-chip to minimize the BOM counts. The device can deliver up to +13 dBm output power and the PA output can be either single-ended or differential. The device operates from 2.3 V to 3.6 V. Its low power design enables superior operation life for battery powered application. The CMT2189A transmitter together with CMOSTEK NextGenRFTM receiver enables a highly flexible, low cost RF link.

Applications:
 Remote Keyless Entry (RKE)
 Garage and gate door openers
 Home/Building Automation and Security
 Industrial Monitoring and Controls
 Remote Lighting Control
 Wireless Alarm and Security Systems
 Consumer Electronics Applications