Series 3 Telephone & Communication Equipment
Series 3 Telephone & Communication Equipment
Introductory
Many of the Future Kit telephone add-on device and accessories are not available from regular telephone equipment vendors. Those that do stock them often ask an unreasonable premium for them. Hobbyists who adapt these easily constructed projects will increase the amenity of their phone system and save money at the same time. Students building these projects will be introduced to the fundamentals of the telephone system as well as deriving a practial and useful outcome. These units are available also as pre-assemblies under the FA prefix.
TELEPHONE CALL PROTECTOR CIRCUIT
TELEPHONE RF TRANSMITTER
TELEPHONE PRIVACY PROTECTION
TELEPHONE INTERCEPTION UNIT
TWO-WAY TELEPHONE AMPLIFIER
TELEPHONE RECORDING ADAPTER
TELEPHONE MUSIC ON-HOLD INTERFACE
TELEPHONE EXPERIMENTAL BOARD
MINI TELEPHONE CIRCUIT
PHONE RING VISUAL ALERT
HIGH POWERED TELEPHONE RINGING 10W
TELEPHONE EXTENSION RINGER
TELEPHONE RING SIGNAL LIGHT 5 LED
TELEPHONE IN-USE INDICATOR
BUSY TELEPHONE INDICATOR
DUAL STATION INTERCOM
DUAL STATION INTERCOM AND DOOR BELL
DUAL STATION INTERCOM