Dual battery casseetts. Full duplex intercom. 2 ways call function. 2 positions power switch on remote. 2 portable antennas.
Regular phones require only telephone jack for a particular country.
25-channel cordless phone with Sound charger technology. 10 station auto Dialing. 5 channel cordless phone with sound charger plus. 30 day standby battery life. 900 MHz Cordless Phone.