R-27 Specifications
Frequency Ranges: 169-216 MHz
Frequency Stability:
±
0.005%
RF Input Impedance: 50
Ω
, nominal
Sensitivity: Better than 1.3
µ
V for 50 dB S/N (20-kHz bandwidth)
Ultimate Quieting (S/N): 100 dB (referenced to 15 kHz deviation)
Squelch Quieting: 101 dB (referenced to 15 kHz deviation)
Harmonic Distortion: 0.4% maximum; 0.2% typical at 1 kHz
Deviation Acceptance:
±
15 kHz
Image and Spurious Rejection: 75 dB, minimum (typically 80 to 85 dB)
Audio Output Impedance: Mic level, 150
Ω
, nominal
Audio Output (Adjustable): Mic level: +1 dBm to –45 dBm (at full deviation), +5 dBm minimum at clipping.
Power Requirements: 9 V battery, 7-10 V
dc
, 45 mA*, negative ground
Internal Supply: One 9-V battery (heavy-duty alkaline) for 6-8 hours* continuous operation, enclosed in receiver case and
accessible via rear panel without opening electronic section
*Will be affected by position of monitor volume adjustment.
Dimensions: 3.4 in (8.6 cm) wide x 1.2 in (3.0 cm) high x 5.7 in (14.5 cm) deep
Weight: Less than 14 ounces (0.40 kg), including battery
Controls: Headphone monitor, mic level adjustment, power switch (ON/OFF)
Connectors: XLR (3-pin male) audio program output; BNC coaxial antenna jack; miniature stereo phone jack (3.5 mm)
Indicators: 4 LED; TX “on”, –30 dBm, –4 dBm (audio level), and power on
Operating Temperature Range: –20°C to +55°C
Overall System Performance**
Working Range: Up to 1000 ft under ideal conditions; usually somewhat less in typical applications
Emission/Modulation: Direct FM, crystal-controlled, 60F3 or 54F3
System Frequency Response: 45 Hz to 15 kHz,
±
1.5 dB; 100 Hz to 10 kHz,
±
0.75 dB
System Harmonic Distortion: 0.5%, maximum, below transmitter limiting; 0.2% typical at 1 kHz
System Ultimate S/N: 100 dB (flat) minimum (104 dB typical A-weighted), excluding microphone electronics and/or
element noise
**System-level performance will vary with the type of transmitter in use, its operating mode, and the control
settings. Performance values shown are representative only. Values shown are for Model T-25 transmitters.
www.vegawireless.com
9900 East Baldwin Place • El Monte, California 91731-2294
Telephone: (626) 442-0782 • Toll-Free: 800-877-1771
Fax: (626) 444-1342 • CompuServe: 73513,1417
FaxBack: (626) 444-2017 • Toll-Free FaxBack: 800-274-2017
Printed in U. S.A.
© April 2000 Vega
