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 RECORDING ADAPTER
MUSIC ON-HOLD TELEPHONE
TELEPHONE EXTENSION RINGER
BUSY TELEPHONE INDICATOR
DUAL STATION INTERCOM
TWO-WAY TELEPHONE AMPLIFIER
MINI TELEPHONE CIRCUIT
HIGH POWERED TELEPHONE RINGING 10W
TELEPHONE IN-USE INDICATOR
TWO-WAY TELEPHONE AMPLIFIER
TELEPHONE INTERCEPTION
TELEPHONE EXPERIMENTAL BOARD
PHONE RING SIGNAL LIGHT 500W
RINGING SIGNAL LIGHT 5 LED
DUAL STATION INTERCOM
TELEPHONE PRIVACY PROTECTION
TELEPHONE TRANSMITTER (FM 88-108 MHz)
TELEPHONE PROTECTION