Feature: 1. Automatic System: FSK/DTMF Call information is automatically identified and displayed. Very convenient to use.2. Superior Performance: Telephone line tester has FSK maximum 8 bit 57 group 12 bit 44 group. Convenient and practical/ 3. Number Display: Telephone butt test tester has DTMF maximum 8 bit group 65 12‑bit group 49. 4. Multifunction: This lineman tool cable set has last group dial number function. 5. Time Display: The telephone tester has real time date and time display. Convenient to use. 6. Practical tot Use: When there is a problem with the telephone line, the staff can check the line with a machine. Specification: Item Type: Telephone Line Tester Functions: Call, Caller ID, Line Detection Package List: 1 x Telephone 1 x Tieline 1 x Description Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. |