A low-temperature co-fired composition with sintering temperature of < 900degreesC was developed using rare earth derived borate glass (La2O3-B2O3-TiO2) and a conventional BNT (BaO-Nd2O3-TiO2) ceramic. The sintering behavior, phase evaluation, sintered morphology, and microwave dielectric properties were investigated. It was found that increasing the sintering temperature from 750 to 850degreesC leads to increases in shrinkage, densities and microwave dielectric properties (approximate to20 for epsilon(r) and > 8000 for Q*f(0)). However, after 850degreesC, the values of these properties decreased. It is suggested therefore that this new composite has good potential as a new candidate for low temperature co-fired ceramic (LTCC) materials.