Contextual Info: Data Sheet Handheld Spectrum Analyzers, 3.3 GHz & 8.5 GHz Models 2650A, 2652A, 2658A Applications • Installation, maintenance, and troubleshooting Key features and benefits ■ of wireless communication systems such as W-CDMA/CDMA, GSM, WLAN, WiMAX and 8.5 GHz

Contextual Info: Model 2650A/2651 Series 3.3 GHz/8.5 GHz Spectrum Analyzer USER MANUAL v 092711 Before Using the Product • Please note the following described on the back panel. · For safe use: 1 When abnormal sound, abnormal smell or smoke is found, stop using the product and remove the battery and AC adapter.