RF chip

2.4GHz chip CI24R1

Makers： CSM/zhongkewei
typology： Wireless RF Transceiver Chips
place of origin： china
price： 0.7CNY
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2.4GHz chip CI24R1(图1) 2.4GHz chip CI24R1(图2) 2.4GHz chip CI24R1(图3)

2.4GHz chip CI24R1(图4)

The Ci24R1 is a wireless transceiver operating in the 2.4GHz ISM band, designed for low-cost wireless applications, with an embedded ARQ baseband protocol engine. It operates in the frequency range of 2400MHz-2525MHz with 126 channels of 1MHz bandwidth.

The Ci24R1 utilizes GFSK/FSK digital modulation and demodulation technology. The data rate and PA output power can be adjusted to support three data rates: 2Mbps, 1Mbps, and 250Kbps. Higher data rates allow the same data to be sent and received in a shorter period of time, resulting in lower power consumption.

operating frequency	2.4GHz
Shutdown current	2uA
Transmit power/current	+11dBm(high)	46mA
	+9dBm	35mA
	+2dBm	25mA
	-4dBm	19mA
	-10dBm	18mA
data rate	2Mbps	1Mbps	250Kbps
receiver sensitivity	-80dBm	-84dBm	-90dBm
power wastage	20mA	19.5mA	19mA
Supply Voltage	2.1-3.6V
modulation method	GFSK/FSK
Standby Current	20uA
interface protocol	two-line SPI
Quick Start Time	≤160uS
Digital IO Voltage	1.9V-5.25V
external crystal oscillator	16MHz±20ppm
other	Compatible with BLE4.2 PHY&MAC
	Internally integrated high PSRR LDO
	Intelligent ARQ baseband protocol integrated internally
	Supports 1bit RSSI output