Narrow band high speed communication G3 communication chip Data Interfaces and Communication Protocols:DL/T645-1997、DL/T645-2007 Carrier frequency:365KHz/270KHz40kHzOFDM,Carrier communication rate:5.5Kbps~46Kbps Kernel:Cortex-M...
Narrow band high speed communication (GB/T31983.31) chip Data Interfaces and Communication Protocols:DL/T645-1997、DL/T645-2007 Carrier frequency:365KHz/270KHz30kHzOFDM,Carrier communication rate:5.5Kbps~60Kbps Kernel:Cortex-M3,...