TT19-08BP111-001 TMA, Twin 1900 with 850 Bypass 12 dB AISG 1.1, LGP Alarming (Requires PDU: LGP1210x Series & CIN’s) (REPLACES LGP21401). This item set was pulled from a working environment and thoroughly tested/inspected at our facility and found to be fully functional. Unit is in good condition, shows some marks on the top as well as scratches and scuffs on the surface. Please see pictures for reference. Any other parts, accessories, manuals, and/or media not pictured in this listing’s photos are not included. 1 MONTH NO DEAD ON ARRIVAL GUARANTEE!! Please read the description carefully to ensure that it is was what you want. Boxes is on a case by case basis. Thanks for your visit. We have near perfect feed back.