Audio-Technica ATW-702, ATW-701/H, ATW-701/G Series UHF Operating Frequencies, Specifications†

700 Series UHF Operating Frequencies

Each transmitter/receiver system operates on a choice of eight switch-selected frequencies. Available frequencies are shown in the chart. All frequencies may be combined for up to 8 simultaneous operating channels.

700 Series Frequency Channel Plan

Channel	Frequency - MHz	TV Channel
1	542.125	26
2	545.750
3	551.500	27
4	552.000
5	557.875	28
6	559.375
7	560.500	29
8	561.250

Specifications†

OVERALL SYSTEM

UHF Operating Frequency	542.125 MHz to 561.250 MHz
Number of Channels	8
Frequency Stability	±0.005%, Phase Lock Loop Frequency
	control
Modulation Mode	FM
Maximum Deviation	±25 kHz
Operating Range	200' typical
Operating Temperature Range	40º F (4ºC) to 110ºF (43º C)
Frequency Response	100 Hz to 12 kHz
RECEIVER
Receiving System	Antenna Switching Diversity
Image Rejection	55 dB minimum
Signal-to-noise Ratio	>80 dB at 10 kHz deviation (IEC
	weighted), maximum deviation 25 kHz
Total Harmonic Distortion	≤1% (10 kHz deviation @ 1 kHz)
Sensitivity	25 dBµV (S/N 60 dB at 10 kHz deviation,
	IEC-weighted)
Audio Output
Unbalanced	211 mV (-13.5 dBV) (1 kHz modulation,
	10 kHz deviation)
Balanced	150 mV (-16.5 dBV) (1 kHz modulation,
	10 kHz deviation)
Output Connectors
Unbalanced	1/4" TS (“mono”) phone jack
Balanced	XLRM-type
Power Supply	100-240 VAC (50/60 Hz) to 12V DC 1A
	(center positive) switched mode, external
	power supply
Dimensions	7.48" (190.0 mm) W x 1.65" (42.0 mm) H
	x 5.12" (130.0 mm) D
Net Weight	12.9 oz (365 g)
Accessory Included	Power supply

UNIPAK® TRANSMITTER

RF Power Output		High: 10 mW; Low: 5 mW
Spurious Emissions		Under Federal Regulations
Dynamic Range		>100 dB, A-weighted
Input Connections		High impedance, Low impedance, Bias
Batteries (not included)		Two 1.5V AA Alkaline
Current Consumption		High: 140 mA; Low: 130 mA, typical
Battery Life		Approximately 8 hours (High); 10 hours
		(Low), depending on battery type and use
		pattern
	Dimensions	2.56" (65.0 mm) W x 4.13" (105.0 mm) H
		x 0.73” (18.5 mm) D
	Net Weight (without batteries)	2.8 oz (80 g)
HANDHELD TRANSMITTER
RF Power Output		10 mW
Spurious Emissions		Under Federal Regulations
Dynamic Range		>100 dB, A-weighted
Microphone Element		Dynamic Unidirectional
Batteries (not included)		Two 1.5V AA Alkaline
Current Consumption		120 mA, typical
Battery Life		Approximately 12 hours depending on
		battery type and use pattern
	Dimensions	9.65" (245.0 mm) long, 2.11" (53.5 mm)
		diameter
	Weight (without batteries)	9.1 oz (257 g)
Accessory Included		AT8456a Quiet-Flex™stand clamp

†In the interest of standards development, A.T.U.S. offers full details on its test methods to other industry professionals on request.

Specifications are subject to change without notice.

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