CMT2157B - CMOSTEK

CMT2157B 240MHz - 960MHz Single Chip OOK Transmitter

LED driving IO Burner port and enabled pin I Supply voltage input I Ground O RF output - No connected I Button 4 I Button 3，DATA pin of burner port. Used to burn EEPROM. I Button 2，CLK pin of burner port. Used to burn EEPROM. I Button 1，CSB pin of burner port. Used to burn EEPROM. Crystal pin. Connect the crystal oscillator of the 15PF load capacit.

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 .