EBYTE E18-2G4U04B TI CC2531 chip Zigbee Wireless Data Transmitter Receiver 2.4Ghz USB Interface 4dBm IoT uhf RF Module PA + LNA PWM GPIO

E18-2G4U04B Zigbee CC2531 2.4Ghz USB zigbee usb RF Transmitter and Receiver PCB Antenna 8051 MCU ISM Band LED Indicator [IC]：CC2531 [Frequency]：2.394~2.507GHz [Protocol]：Zigbee [Distance]：200m [Interface]：USB [Product weight]：8.7±0.1g [Introduction]：E18-2G4U04B uses CC2531 RF chip imported from Texas Instruments. The chip integrates 8051 microcomputer and wireless transceiver, and integrates PA + LNA, which greatly expands the communication distance and improves communication stability, and it is equipped with ADC sampling, remote PWM output control, remote GPIO control and other RF Parameter Value Remark Frequency 2394~2507 MHz Support ISM band Transmitting power 4 dBm - Receiving sensitivity -96.4 dBm Air data rate: 250kbps Communication protocal ZigBee - Test distance 200m In open and clear air, with maximum power, 5dBi antenna gain, height of 2.5m, air data rate: 250kbps Hardware Parameter Value Remark IC CC2531F256RHAT/QFN40 Built-in PA+LNA FLASH 256 KB - RAM 8 KB - Core 8051 MCU - Size 59 * 18 mm With housing Antenna type PCB - Powered by USB -   Electronic parameter Min. Typ. Max. Unit Condition Operating voltage 2.7 5 5.5 V powered by USB Operating voltage 2.0 3.3 3.6 V powered by pcb power supply hole Communication level - 3.3 - V For 5V TTL, it may be at risk of burning down Transmitting current - 31.5 - mA Instant power consumption Receiving current - 26 - mA powered by USB Sleep current - - - μA - Operating temperature -40 20 +85 ℃ - Operating humidity 10 60 90 % - Storage temperature -40 20 +125 ℃ -