RF Explorer is a portable digital spectrum analyzer, a really budget friendly tool for work in all popular frequency bands. It is based on an extremely integrated frequency synthesizer and double balanced mixer which uses high performance, compact size, low intake and low expense. It has actually been designed to be utilized similarly well outside and indoor, and can be linked to a PC for additional performance using standard mini-USB 2.0 port. This model consists of a WSUB1G standard unit plus an RFEMWSUB3G Expansion Module conveniently assembled and checked. It features 2 SMA adapters and 2 antennas, a nice Nagoya NA-773 wideband telescopic antenna for all Sub-GHz frequencies and a whip helical for 2.4 GHz band. Additional, specific band antennas may be needed to cover effectively a few of the frequencies supported.