http://www.surveillance-safety.com/transceivers.htm Dual band transceivers are capable of both sending and receiving the audio signals for wireless communication purposes. You can use them to communicate on ground, in airplanes, on control towers etc. The most popular ones are AR-108, KEN-F7, IC-ERRE. Copyright 2001-2007 Endoacustica - P.I. 06306960722 - All rights reserved surveillance-safety.com RSS Generator http://www.surveillance-safety.com/dual-band-transceiver.htm VXERRE is the smallest dual band transceiver in the world. It supports both VHF and UHF transmissions. Powered by a sensitive receiver, this communication equipment can receive signals from 76 to 999MHz. (both AM and FM) and can handle the transmission on 144/146 430/450 MHz. http://www.surveillance-safety.com/Small-fm-dual-band-transceiver.htm It's a small palm sized dual band (VHF/UHF) FM transceiver design to receive and transmit audio signals effectively. You can receive signals on two different frequencies on the same band simultaneously. http://www.surveillance-safety.com/aeronautic-vhf-band-receiver.htm It is a pocket sized aeronautic VHF band digital scan receiver especially designed for those who are engaged in aeronautical activities. This device is small with a total height of 25 mm and lightweight also (98 grams only). http://www.surveillance-safety.com/wrist-digital-transceiver-t.htm RWATCH is basically a wrist watch which also works as the digital transceiver for receiving and sending wireless transmissions. The whole kit comprises of a wrist watch, an inductive coil, a wire and a wireless invisible micro earpiece called Secret Ear. http://www.surveillance-safety.com/handheld-communication-reciver.htm This is a high end and sophisticated handheld receiver which can be used to listen to a large number of audio signals. You can use its wide band reception capability (495 kHz - 1309.995 MHz) to receive AM/FM/WFM signals.