2
SPECIFICATIONS
RF Carrier Frequency Range
782–806 MHz
Working Range
152.4 m (500 ft), minimum, under typical conditions; 487.6 m
(1600 ft ) line of sight
NOTE:
Actual working range depends on RF signal absorption, reflection and inter-
ference.
Audio Frequency Response
45 to 15,000 Hz,
±
2 dB.
NOTE:
Overall system frequency response depends on the microphone element.
Gain Adjustment Range
UC1: –6 to 34 dB
UC2: –6 to 26 dB
Modulation
±
45kHz deviation compressor-expander system with pre-and de-emphasis
RF Power Output
UC1, UC2: 50 mW, typical
Dynamic Range
>100 dB, A-weighted
Receiver Audio Output Level (Maximum)
+5 dBu typical, unbalanced output
+14 dBu typical, balanced output
RF Sensitivity
UC4: –108 dBm at 12 dB SINAD
Image Rejection
90 dB typical
Spurious Rejection
70 dB typical
Ultimate Quieting (ref. 45 kHz deviation)
>100 dB, A-weighted
Audio Polarity
Positive pressure on microphone diaphragm (or positive voltage applied to tip of
WA302 phone plug) produces positive voltage on pin 2 with respect to pin 3 of
low impedance output and the tip of the high impedance
1
/
4
-inch output.
System Distortion
(ref.
±
45 kHz deviation, 1 kHz modulation)
0.4% Total Harmonic Distortion typical
Power Requirements
UC1, UC2: 9V alkaline battery (Duracell MN1604 recommended); Nicad optional
UC4: 15 Vdc , 600 mA 50/60 Hz
Power Consumption: 600 mA x 15 V, maximum
Transmitter Battery Life (Typical)
8 hours (with Duracell MN1604 9V alkaline battery)
Operating Temperature Range
-7
°
to 49
°
C (20
°
to 120
°
F)
NOTE:
Battery characteristics may limit this range.
Overall Dimensions
UC1: 99.06 mm L x 63.50 mm W x 22.86 mm D (3–29/32 L x 2–1/2 W x 29/32 in. D)
UC2/58:247.30 mm L x 50.8 mm Dia. (9–1/2 L x 2 in. Dia.)
UC2/BETA 58: 241.30 mm L x 50.80 mm Dia. (9–1/2 L x 2 in. Dia.)
UC2/87:215.90 mm x 50.80 mm Dia. (8–1/2 L x 2 in. Dia.)
UC2/BETA 87: 215.90 mm L x 50.8 mm Dia. (8–1/2 L x 2 in. Dia.)
UC4: 44.50 mm H x 197.40 mm W x 214.30 mm D (1–3/4 L x 7.77 W x 8.44 in. D)
