GQ-4300D Series 2M Datacom Transmission Analyzers can be used to test the digital channels with 2Mbit/s interfaces and with V.24/V.28/RS232, V.35, V.36, RS449, X.21, RS485, EIA530, EIA530A, and equidirectional G.703 CO 64kbit/s interfaces. Major Features? LCD large-screen disp...
Products: siemens gsm module,
rs 422 adapter