8501 GSM Air Interface Test Module

MAX-502 Accessory Kit for 8501
The accessory kit consists of the adapter box and cables to connect the 8501 to a PC or laptop. It is powered by the PS2 port. 3 easy read LED’s indicate power on, SIM card and Network status.
This adapter box also has two RS232 ports for Trace and Data. A headset jack socket is also provided.

MAX-503 Accessory Kit with GPS for 8501
This consists as the same as the MAX-502 except it has a built-in GPS. There is an additional RS232 port for GPS output and a jack to plug in the GPS antenna.