- Ricardo Alvin Store
- total station, wireless modem, fluke networks.
- Address:Jl.Sei Putih Baru No 32, Medan, Sumatera Utara, Indonesia
- PT. Lintas Elektronika Dinamika Indah
- Universal Remote Control, Surge Protector, Wireless Modem Jack, Wireless Phone Jack, Radio, Wireless Home Network, Antenna.
- Address:Jl. Yos Sudarso No. 150 Daan Mogot Km. 19
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