DX 55HP

*Optional Accessories*
	Tune-up. (perform a tune-up to radio to increase power, audio and performance)	$25
	Tune-up and frequency conversion. (Some radios have internal factory options for expanded frequency coverage / more channels)	$40
	Perform Receiver improvement mods. (These mods replace key RX parts for better sensitivity and lower noise)	$45
	Turner RK-56 Noise Canceling microphone. (wired for this radio with a 4 pin plug)	$65
	Astatic 636L Noise Canceling microphone. (wired for this radio with a 4 pin plug)	$54
	Astatic D104-M6b Amplified microphone. (wired for this radio with a four pin plug and a battery installed)	$65
	DM-452 Echo Amplified microphone (wired for this radio with a 4 pin plug)	$30
	Install an Echo board. (wired internal to the radio with dual controls on the outside to control speed and echo effects)	$65
	Install a Roger Fart board. (wired inside the radio with a switch for on/off)	$55
	Install a 5-tone Roger Beep board. (wired inside the radio with a switch for on/off)	$65
	Install a Noise toy (wired inside the radio with a switch or pushbutton to trigger any 18 second sound byte you want)	$65
	Install a Noise toy as a background theme music (wired inside the radio with a switch to play any background music at very low volume so you can talk over it.)	$65
	Install Talkback (wired inside the radio so that when you talk you can hear yourself)	$15
	Add a Small External Speaker (plugs into back of the radio for improved sound)	$12
	Add a Large External Speaker (plugs into back of the radio for improved sound)	$18

Specifications
GENERAL
Channels	40 CH
Frequency Range	28.065 to 28.505 MHz
Frequency Control	Phase Lock Loop (PLL) synthesizer.
Frequency Tolerance	0.005%
Frequency Stability	0.001%
Operating Temperature Range	-30 �C to +50 �C.
Microphone	Plug-in dynamic; with push-to-talk switch and coiled cord.
Input Voltage	13.8V DC nominal, 15.9V max, 11.7V min. (Positive or negative ground). Transmit: AM full mod., 4.5A. Receiver: Squelched, 0.3A. Maximum Audio output, 0.7A
Size	2-3/8� (H) x 7-7/8� (W) x 9-1/4� (D).
Weight	5 bs.
Antenna Connector	UHF, SO239
Meter	(2-in-1) Illuminated; indicates relative output power and received signal strength.
TRANSMITTER
Power output	AM/FM, HIGH 10 watts, LOW 2 watts
Modulation	High-and low-level Class B, Amplitude Modulation: AM. Variable capacitance Frequency Modulation: FM.
Spurious Emissions	60 dB
Frequency Response AM and FM:	450 to 2500 Hz.
Output Impedance	50 ohms, unbalanced
Output Indicators	Meter shows relative RF output power. Transmit LED glows red when transmitter is in operation.
RECEIVER
Sensitivity	AM: 1.0 mV for 10 dB (S+N)/N at greater than � -watt of audio output. FM: 1.0 mV for 20 dB (S+N)/N at greater than �-watt of audio output.
Selectivity	AM/FM: 6 dB @ 3 KHz, 50 dB @ 9 KHz.
Image Rejection	More than 65 dB.
IF Frequency	AM/FM: 10.695 MHz 1st IF, 455 KHz 2nd IF
Adjacent-Channel Rejection	60 dB AM
RF Gain Control	45 dB adjustable for optimum signal reception.
Automatic Gain Control (AGC)	Less than 10 dB change in audio output for inputs from 10 to 100,000 microvolt's.
Squelch	Adjustable; threshold less than 0.5 mV.
ANL	Switchable
Noise Blanker	RF type
Audio Output Power	4 watts into 8 ohms.
Frequency Response	300 to 2800 Hz.
Built-in Speaker	8 ohms, round.
External Speaker	(Not Supplied) 8 ohms; disables internal speaker when connected.