Product Documentation

Document	Pages	Notes
RA25 External Photos
RA25 Internal Photos
RA25 User Manual

Product

Parameter	Value	Description
Form Factor	Fixed-Mount	The radio is designed to be permanently attached to a surface using fasteners.
Type	Transceiver	The radio can receive and transmit signals.
Width	124 mm	The distance between the left and right surfaces of the main body of the radio, excluding protrusions.
Height	36 mm	The distance between the top and bottom surfaces of the main body of the radio, excluding protrusions.
Depth	101 mm	The distance between the front and rear surfaces of the main body of the radio, excluding protrusions.
Weight	0.45 kg	The mass of the main body of the radio, including the removable battery or removable front panel.
Operating Temperature	-20 to 60 °C	The range of temperatures in which the product is designed to be operated.

Tuning System

Parameter	Value	Description
Channel Capacity	30 max	The number of memory channels that can be programmed into the radio.
Channel Bandwidths	12.5 kHz	The radio's tuning system supports channel spacing of 12.5 kHz.
	25 kHz	The radio's tuning system supports channel spacing of 25 kHz.
Scan Types	Full	The radio's tuning system can scan the full range of operating frequencies.
	Program	The radio's tuning system can scan all channel frequencies between lower and upper frequency limits.
	Channel	The radio's tuning system can scan some or all of the channels programmed into its memory.
Repeater Capable	Yes	Memory channels can have different transmit and receive frequencies, facilitating the use of radio repeaters.
Reverse Function	Yes	The transmit and receiver frequencies used by a repeater channel can be temporarily reversed by the user.
VFO Mode	Yes	The radio allows direct frequency selection.

Signaling System

Parameter	Value	Description
Signaling Methods	2-Tone	Two-tone sequential signaling
	5-Tone	5/6/7-tone sequential signaling
	DTMF	Dual Tone Multi Frequency

Audio System

Parameter	Value	Description
Output Power	2 W max
Companding	Yes	An audio processing technique that mitigates the effects of a channel with limited dynamic range.
Voice Inversion	Yes	An analog method of obscuring the content of a transmission.

Receiver

Parameter	Conditions	Value	Description
	Tuning System
	Channel Bandwidth
Personal Bands		FRS	Family Radio Service (462.550 - 467.7125 MHz)
		GMRS	General Mobile Radio Service (462.550 - 467.725 MHz)
Broadcast Band		FM	FM broadcast band (88 - 108 MHz)
Operating Frequency		86.7 to 108 MHz	The range of frequencies that can be tuned by the receiver.
		462.55 to 462.725 MHz
		467.55 to 467.725 MHz
Sensitivity Threshold	12.5 kHz	0.35 µV max	The magnitude of the smallest RF signal that a receiver can detect.
	25 kHz	0.25 µV max
Adjacent Channel Selectivity	12.5 kHz	60 dB min	The ability of a receiver to discriminate between a desired signal and an undesired signal in an adjacent channel.
	25 kHz	70 dB min
FM Hum and Noise	12.5 kHz	-40 dB max	The frequency modulation present on an unmodulated carrier.
	25 kHz	-45 dB max
Audio Distortion		3 % max
Audio Response		-3 to 1 dB	The degree of precision with which the audio signal level of a receiver responds to the frequency deviation of an FM signal.
Monitor Function		Yes	The radio allows the user to manually open the squelch.

Transmitter

Parameter	Conditions	Value	Description
	Tuning System
	Channel Bandwidth
Personal Band		GMRS	General Mobile Radio Service (462.550 - 467.725 MHz)
Operating Frequency		462.55 to 462.725 MHz
		467.55 to 467.725 MHz
Frequency Drift		2.5 ppm	The amount that a transmitter's frequency varies from its nominal value.
Output Power		20 W max	The maximum RF power that a transmitter can produce, as reported by the manufacturer in product documentation.
Measured Power		19.54 W max	Actual output power measured by a telecommunication certification body (TCB) and reported to the Federal Communications Commission.
Spurious Emissions		-60 dB max	Emission on a frequency or frequencies which are outside the necessary bandwidth.
FM Hum and Noise	12.5 kHz	-36 dB max	The frequency modulation present on an unmodulated carrier.
	25 kHz	-40 dB max
Adjacent Channel Power	12.5 kHz	-60 dB max
	25 kHz	-70 dB max
Audio Response		-3 to 1 dB	The degree of precision with which the frequency deviation of a transmitter responds to a designated audio frequency signal level.
Audio Distortion		5 % max
Emission Types	12.5 kHz	11K0F3E	11 kHz occupied bandwidth, FM analog voice
	25 kHz	16K0F3E	16 kHz occupied bandwidth, FM analog voice
VOX		Yes
Busy Channel Lockout		Yes	Indicates that a transmitter can be prevented from operating when a receiver detects activity on the tuned frequency.
Timeout Timer		Yes	Indicates that a radio is capable of limiting the length of each transmission.

Channel Selector (Front Buttons)

Parameter	Value	Description
Location	Front	The channel selector is located on the front panel of the radio.
Type	Up/Down Buttons	The setting can be increased or decreased by pressing a pair of buttons.

Channel Selector (Mic Buttons)

Parameter	Value	Description
Location	Mic	The channel selector is located on a hand microphone.
Type	Up/Down Buttons	The setting can be increased or decreased by pressing a pair of buttons.

Channel Selector (Mic Keypad)

Parameter	Value	Description
Location	Mic	The channel selector is located on a hand microphone.
Type	Keypad	The setting can be adjusted by using a numeric keypad.

Volume Control

Parameter	Value	Description
Location	Front	The volume control is located on the front panel of the radio.
Type	Rotary Knob	The setting can be adjusted by rotating a round knob.

Squelch Control

Parameter	Value	Description
Type	Menu Item	The setting can be adjusted by using the radio's menu system.

Keypad

Parameter	Value	Description
Lockable	Yes	The keypad can be configured in a way that disables the function of most keys.

Display

Parameter	Value	Description
Location	Front	The display is located on the front panel of the radio.
Type	TFT	Liquid-Crystal Display with Thin-Film Transistor technology and CCFL (cool compound fluorescent lamp) backlighting
Dimmable	Yes	The brightness of the display's backlight can be adjusted by the user.
Size	1.44 in	Diagonal measurement of a display

Internal Speaker

Parameter	Value	Description
Location	Bottom	The internal speaker is located at the bottom surface of the radio.

Microphone Port

Parameter	Value	Description
Location	Front Panel	The microphone port is located on the front panel of the radio.
Connector Type	RJ45-Female	8-Position RJ45 Female

Speaker Port

Parameter	Value	Description
Location	Rear Panel	The speaker port is located on the rear panel of the radio.

Programming Port

Parameter	Value	Description
Location	Front Panel	The programming port is located on the front panel of the radio.
Connector Type	RJ45-Female	RJ45 Female

Antenna Port

Parameter	Value	Description
Location	Rear Panel	The antenna port is located on the rear panel of the radio.
Connector Type	UHF-Female	UHF Female (SO-239)

Power Supply Port

Parameter	Value	Description
Supply Voltage	13.8 V +/-15%

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