• Luminescent (glow-in-the-dark) keypad
• Can be used safely on a DSL enabled line
• High Impedance Monitor for monitoring line without disrupting existing traffic
• Over voltage and over current protection
• Tone and Pulse dialing for versatility on old and new phone lines
• Polarity test with LED indicator
• 32 digit last number redial and pause
• 10 number speed dial
• Adjustable volume control plus mute
• Pause
• Flash to generate a timed break recall
• Line powered, no battery needed
• Headset (included) for hands free operation
• RJ11 socket

In the evolving world of telecommunications, the NEW Tele-Mate® Telephone Test Set is designed to help technicians install, service and maintain voice service with ease. Able to tackle the complexities of today’s analog tele-communication lines, the TM-500 offers the convenience of line powered (no battery needed) operation and useful features like a high impedance monitor that is data and DSL safe, polarity test, speed dial, last number dialed and pulse dialing, making a technician more productive. The TM-500 not only works in handset mode, but can be used with the headset (included) for easy hands-free operation. The TM-500 is safe to operate with over-voltage and current detection.