Wireless Communication Solutions Remote Range 4-way Intercom Scheme

Wireless Communication Solutions Remote Range 4-way Intercom Scheme Function Requirement: 1. Each one can intercommunicate with other three intercoms. 2. With record function 3. Storing device: USB mobile HDD 4. Communication distance between master phone and extension phone up to300m. Communication distance between master phone and intercom up to 8-10km Instruction: 1.Extension phone : with 511 portable extension phone. 2. Master phone: including 3 parts: four-way module,