CMT2157B

CMT2157B is a single chip, high flexibility, ultra-low power consumption, OOK RF chip with encoder.

Description

 CMT2157B is a single chip, high flexibility,ultra-low power consumption, OOK RF chip with encoder. It is ideal for wireless applications between 240 MHz to 960 MHz. The chip is fully compatible with the most commonly used coding formats such as 527, 1527, 2262 and 2240 in the market. In addition, it also supports various user-defined coding.

Features

  • Build-in EEPROM
    • Simplify the engineering development by using RFPDK
    • All functions can be configured
  • Working frequency:240 MHz ~960 MHz
  • Symbol rate:0.5 - 40 kbps
  • Output power:0 - +13 dBm
  • Working current:5.5 mA @ +10 dBm
  • Sleep current:< 20 nA
  • The chip runs independently without external MCU control.
  • Support the common encodings such as 527,1527, 2240, 2262 and the packet formats defined by users.
  • 4 independent pins support as many as 10 buttons, key values can be arbitrary.
  • LED instruction when transmitting.
  • FCC / ETSI Compliant
  • RoHS Compliant
  • SOP package with 14 pins

Applications

  • Low cost applications in the consumer electronics and appliances
  • Automatic  control  of  homes  and buildings
  • Fan remote control
  • Infrared transmitter replacement
  • Industrial monitoring and control
  • Wireless lighting control system
  • Wireless alarm and security system
  • Remote Keyless Entry (RKE)

Description Version Updated Size
CMT2157B 0.1 2018/05/28 1.28 MB
Description Version Updated Size
Description Version Updated Size
 
Similar Devices
 Part Number Modulation  Frequency 
(MHz)
 Symbol Rate 
(kbps)
Output Power
(dBm)
Remark
OOK 240 - 480 30 +13
OOK / (G) FSK 240 - 960 100 +13
OOK 240 - 480 40 +13 w/ Encoder
OOK / (G) FSK 240 - 960 100 +13 w/ Encoder
OOK 240 - 480 30 +13
OOK 240 - 960 40 +13
(G)FSK/OOK 240 - 960 100 +13

Order Samples

CMOSTEK provides samples to qualified developers at no charge, please fill the form below to start the application.

 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
 *
    *