X1 - 25 Nov 2003 Authored by Guru Mujumdar Prepared by Steve Jones Avalon RF, Inc. . 344 Coogan Way . El Cajon, CA 92020 Phone: (619) 401-1969 . Fax: (619) 401-1971 . Email: sales@avalonrf.com AVALON RF, INC. Page ii RT423 User.s Guide & Operating Manual AVALON RF, INC. Page ii RT423 User.s Guide & Operating Manual s 1. General .................................................................................................1 Figure A . RT423 Series Controls and Connectors........................

• 344 Coogan Way • El Cajon, CA 92020 Phone: (619) 401-1969 • Fax: (619) 401-1971 • Email: sales@avalonrf.com AVALON RF, INC. Page ii MX416 User’s Guide & Operating Manual Table of Contents 1. General................................................................................................1 Figure A – MX416 Controls and Connectors........................................2 Charging Port ......................................................................................3 RF Output/Antenna

2.3.2 Microphone a) The MX416 uses an electret microphone and is built into the case. b) For volume orders, provision for connection of an external microphone can be made. 2.3.3 RF output to antenna. a) The RF output connector is a 50 . WWWW (ohm) MCX receptacle. b) The RF output power is approx. 250 mW (transmit). AVALON RF, INC. Page 5 MX416 User’s Guide & Operating Manual The receiver has the following interfaces: 2.3.4 Power Input a) The receiver works on unregulated dc power of 6 – 14 V DC.