Start with the news release Wireless module suitable for M2M market segment from Laird Technologies, which we summarised at the time by saying "Laird Technologies has released the LT1110 915MHz wireless module that is said to be suitable for the M2M market segment, particularly sensors and handheld data loggers.". Several months prior to that, we featured the news release DACs prolong battery life in portable applications from Maxim Integrated Products: "The MAX5214 (14-bit) and MAX5216 (16-bit) digital-to-analogue converters offer power consumption of less than 80uA IQ and prolong battery life in portable applications. ".
 
In January 2011, we covered the news from Anritsu - take a look at Field test locates passive intermodulation source which says: "The MW8219A PIM Master field test solution is designed to accurately and quickly locate the source of passive intermodulation (PIM), whether at the base station or in the surrounding environment. ".
 
Take a look also at the news release from Anritsu, Instrument tests base station transmitter quality, as well as Signal analyser for design/operations applications from Tektronix, and RS Components launches power supply microsite from RS Components.