The TC35i is a GSM module with basic connectivity enabling voice and fax communication as well as applications with a low data transfer volume. It is extremely compact in size and economical in power consumption. The small size and flexible integration of the wireless module make it relatively easy to incorporate in M2M applications intended for deployment in business fields as varied as metering, remote maintenance, transportation and logistics, traffic systems, vending machines, security, healthcare, and facility management. Being purely designed for GSM communications, the TC35i is especially suitable for use in payphones and desktop phones. The TC35i comes with full type approval (FTA), which saves cost for certification and cuts down the time to market for your new product considerably.