The BH3806A is a circuit board to accommodate the JUPITER GPS receiver (made by Conexant). The board accept both 5V and 3.3V JUPITER versions. Outputs are amplified 1PPs and 10 kHz signals, SD, /ERROR, /RESET, COM1 and COM2. Board is powered from single power supply +12V @ 300mA. The JUPITER receiver's SRAM is backed up by a rechargeable 1-cell lithium battery. The board accommodates lithium battery charger for different models of LiOn batteries.