How to support coexistence with external LTE in NX611?

Sona NX611

Answer

In HW part, need to wire PTA interface in between LTE and NX611. EXT_REQ and EXT_GNT are mandatory pins, EXT_PRI, EXT_STATE and EXT_FREQ are optional.

In SW part, coexistence arbitration mechanism is always operational and it's fixed in firmware.