User's Manual
REV-PH Specifications: Page 4 
RF Frequency range……………………614.0 to 746.0 MHz. 
RF Channel Step………………………….. 25 KHz 
RF Power………………………………Norm, 5 mW, High, 50 mW. 
Modulation…………………………….FM, 40 KHz Deviation nominal. 
Audio Frequency Response……………80-15000 Hz +/- 2 dB. 
Audio attenuator Range………………..27 dB. 
Microphones, Electret or Dynamic…… Electret bias provided. 
Antenna………………………………..Internal Half Wave. 
Battery Life (9 Volt Alkaline)………………... 8-10 Hours Typical. 
Approval Information:
The Telex/Ev REV-PH Transmitter is Type Accepted under United States 
Federal Communications Commission Part 74. 
The Telex/Ev REV-PH Transmitter is Certified to Industry Canada 
RSS123 rules. 
Licensing of Telex/Ev equipment is the users responsibility and 
licensability depends upon the user’s classification, user’s application 
and frequency selected. Telex/Ev strongly urges the user to contact the 
appropriate telecommunications authority for any desired clarification. 
CAUTION: Any changes or modifications made to the above equipment 
could void the user’s authority to operate the equipment. 




