20pcs 2.4G Patch Wireless Module XH-NF-03 On Board Antenna SPI Interface Internet Module

Features 2 4G patch module is a small size 2 4 G wireless module of board antenna high air rate up to 2 Mbps using SPI interface transceiver and receiver integrated hardware module high stability high cost performance good spectrum testing characteristics small size using all industry class components 2 4G patch module can be widely used in various Internet of Things occasions It is suitable for wireless keymouse wireless remote control somatosensory devices active RFID NFC low power ad hoc wireless sensor network nodes etc It is an ideal solution for Internet of Things applications 2 4G patch module is encapsulated by stamp holes Whether it is for learning or mass production it can quickly connect to existing products and is very convenient to use Stamp holes ultra small size package built in 2 4 G antenna compact size easy to use Supports six channel data reception Support general modulation methods such as GFSK FSK Support 2Mbps 1Mbps 250Kbps data rate With four wire SPI interface the speed can reach 10MHz Internal Intelligent ARQ Baseband Protocol Engine Hardware interrupt output of receiving and receiving data Support 1 bit RSSI output Num PinDirectionFunction1VCC Power supply must be between 2 0 3 6V2GND Ground wire connected to the power reference ground3CEInputControl pin4CSNInputChip select pin for starting an SPI communication5SCKInputSPI bus clock6MOSIInputSPI data input pin7MISOOutputSPI data output pin8IRQOutputInterrupt signal output