17
UHF Wireless Diversity Receiver
Rio Rancho, NM – USA
Frequency Adjustment Range:
25.5 MHz max.
Receiver Type:
Triple conversion, superheterodyne, 244 MHz , 10.7 MHz and 300 kHz
Frequency Stability:
±0.001 %
Front end bandwidth:
30 MHz @ -3 dB
Sensitivity
20 dB Sinad:
0.9 uV (-108 dBm), A weighted
60 dB Quieting:
1.12 uV (-106 dBm), A weighted
Squelch quieting:
Greater than 125 dB
AM rejection:
Greater than 60 dB, 2 uV to 1 volt (Undetectable after processing)
Modulation acceptance:
85 kHz
Image and spurious rejection:
70 dB
Third order intercept:
0 dBm
Diversity method:
Phased antenna diversity
FM Detector:
Digital Pulse Counting Detector operating at 300 kHz
Antenna inputs:
Dual fixed - made of marine phosphor bronze
Audio outputs
Rear Panel XLR:
Adjustable from -50 dBu to +9 dBu in 1 dB steps.
Calibrated into a typical 10 K Ohm balanced load.
Actual output impedance maximum 500 Ohms, minimum 200 Ohms.
Front Panel Controls and Indicators
LCD control panel menus:
Main window:
Pilot tone; antenna phase, receiver battery level;
transmitter battery level; audio level, RF level
Frequency window:
Frequency, TV channel; Transmitter Frequency Select Switch settings
Audio output level adjustment:
-50 dBu to +9 dBu
Battery level tracking:
Both transmitter and receiver in 1/10th volt steps, ac/- 10%.
Scanning mode:
Coarse and fine modes for spectrum check
Audio test tone:
1 kHz, -50 dBu to +9 dBu output, < 5% THD
Transmitter battery type selection:
9 V alkaline, 9 V lithium, AA alkaline, AA lithium
Rear Panel Controls and features:
XLR audio output jack; External DC input; Battery compartment access
Power Options:
Ext DC:
M10 VDC to m18 VDC; 1.6 W, 100 mA at +12 VDC
Int Batt:
9 V alkaline or lithium (90 mA @ 9 V, 120 mA @ 6 V)
Battery Life:
9V alkaline
3.5 hours continuous, 4 hours intermittent
9V lithium
Up to 7 hours (continuous and intermittent usage are the same)
Weight:
11.3 oz with battery
Dimensions:
2.83" wide x 1.25" high x 4.64" deep
System Audio Specifications
(UCR301 Receiver / UM300B Transmitter)
Signal to Noise Ratio:
108 dB; A-weighted at full quieting
Distortion:
Less than 0.5% at 50% modulation, 1 kHz
Frequency Response:
+/- 3 dB from 40 Hz to 18 kHz
Specifications subject to change without notice.
SPECIFICATIONS AND FEATURES
Operating Frequencies (MHz):
Block 525
525.000 - 550.500
Block 21
537.600 - 563.100
Block 22
563.200 - 588.700
Block 23
588.800 - 614.300
Block 24
614.400 - 639.900
Block 25
640.000 - 665.500
Block 26
665.600 - 691.100
Block 27
691.200 - 716.700
Block 28
716.800 - 742.300
Block 29
742.400 - 767.900
Block 30
768.000 - 793.500
Block 31
793.600 - 819.100
Block 32
819.200 - 844.700
Block 33
844.800 - 862.000
