Fixed Price: $500 - $1,500
| Posted: 12h, 16m ago | Ends: 14d, 11h |
Hello, Need design schematics with proper rf shielding, interference protection circuitry for 865-867 Band with 200 KHz spread. Module should have a processor and ample memory. Lorawan ( [obscured] /labs/zurich/ics/lrsc/lmic.html) needs to be emdedded in it. Provision for connecting to RS232 + RS485 Interface You can use sample desgin which are provided by semtech as starting point ( [obscured] /product-search/en?vendor=0&keywords=SX1276MB1MAS) Power Requirements The offered hardwares should capable of operating on three phase supply drawn from the meter input itself. Auxiliary power supply will not be acceptable. · The hardware shall have three phase AC input supply and should be capable of proper functioning within the power supply range of 77 AC P-P to 470V AC P-P, 50 Hz · hardware should also be capable of operating on single phase 230V, 50 Hz power supply. The hardware shall be suitably protected against surges. · Average Power consumption of th...