Bluetooth Pairing After turning on the keyboard, press Fn+E/R/T to enter Bluetooth mode. Press and hold the Fn+E/R/T combination key for 3 seconds to put the keyboard in pairing mode, with the red/blue/yellow indicator light flashing quickly. Once the connection is established, the indicator light will stay on for 2 seconds. If the device fails to connect, the indicator light will turn off and , Description The SP490E is a low power differential line driver/receiver meeting RS-485 and RS-422 standards up to 10Mbps. The SP491E is identical to the SP490E with the addition of driver and receiver tri-state enable lines. Both products feature ±200mV receiver input sensitivity, over wide common mode range. The SP490E is available in 8-pin NSOIC packages for operation over the commercial , The 4 MHz operation allows for the use of tiny MLCC capacitors. It also enables a very wide control loop bandwidth providing excellent transient performance and reduced output impedance. The internal compensation is designed for unconditional stability across all operating conditions., General Description The Qorvo TGA2525 is a compact LNA Gain Block MMIC with adjustable gain control (AGC). The LNA operates from 2-18 GHz and is designed using Qorvo’s proven standard 0.15 um Power pHEMT production process., 2,4-D AMINE 4 SAFETY DATA SHEET Page of SECTION 1 - CHEMICAL PRODUCT AND COMPANY IDENTIFICATION, .