| Detailed Specifications |
Overall System Specifications
|
|
Operating Frequencies
|
UHF Band d: 655.500 to 680.375 MHz
|
Number of Channels
|
996 total per band (25 kHz increments)
|
Frequency Stability
|
±0.005%, Phase Lock Loop frequency control |
Modulation Mode
|
FM
|
| Normal Deviation |
±10 kHz |
| Operating Range |
100 m (300') typical |
| Operating Temperature Range |
23°F (-5° C) to 113°F (45°C) |
| Frequency Response |
70 Hz to 15 kHz |
| Receiver Specifications |
|
| Receiving System |
Dual independent RF sections, automatic-switching diversity |
| Image Rejection |
>50 dB typical |
| Signal-to-Noise Ratio |
104 dB at 30 kHz deviation (A-weighted), maximum modulation 37 kHz |
| Total Harmonic Distortion |
<1% (±10 kHz deviation at 1 kHz) |
| Sensitivity |
25 dBµV, (S/N 60 dB at 5 kHz deviation, A-weighted) |
| Audio Output |
Balanced: 27 mV (at 1 kHz, ±5 kHz deviation) |
| Output Connector |
3-pin mini XLR (TA3M-type) |
| Monitor Headphone Output |
(typical) 35 mW max., 32 ohm load (per channel) |
| Monitor Headphone Jack |
3.5 mm TRS, signals on both Tip and Ring |
| External Power Requirements |
12V DC nominal, 500 mA |
| Batteries |
ATW-R1820: Six 1.5V AA alkaline (not included); ATW-R1810: Four 1.5V AA alkaline (not included) |
| Current Consumption |
Dual-channel Operation: 600 mA typical; Single-channel Operation 350 mA typical |
| Battery Life |
Dual-channel Operation (ATW-R1820): 6 hours typical*
Single-channel Operation (ATW-R1810): 10 hours typical*
* depending on battery type and use pattern |
| Dimensions |
ATW-R1820: 85.0 mm (3.35") W x 133.0 mm (5.24") H x 36.0 mm (1.42") D
ATW-R1810: 75.0 mm (2.95") W x 125.0 mm (4.92") H x 32.0 mm (1.25") D |
| Net Weight |
ATW-R1820: 425 grams (15.0 oz) (without batteries)
ATW-R1810: 300 grams (10.5 oz) (without batteries) |
| Accessories Included |
ATW-R1820: Two flexible UHF antennas; two 18" TA3F to XLRM output cables; belt pouch
ATW-R1810: Two flexible UHF antennas; 18" TA3F to XLRM output cable; belt pouch |
| Body-Pack Transmitter Specifications |
|
| RF Power Output |
High: 30 mW; Low: 10 mW, nominal |
| Spurious Emissions |
Under federal regulations |
| Dynamic Range |
>105 dB, A-weighted |
| Input Connections |
High impedance, low impedance, bias |
| Batteries |
Two 1.5V AA alkaline (not included) |
| Current Consumption |
High: 180 mA; Low: 160 mA, typical |
| Battery Life |
Approximately 6 hours (High); 8 hours (Low),
depending on battery type and use pattern |
| Dimensions |
66.0 mm (2.60") W x
87.0 mm (3.43") H x
24.0 mm (0.94") D |
| Net Weight |
80 grams (2.8 oz) (without batteries) |
| Plug-On Transmitter Specifications |
|
| RF Power Output |
High: 30 mW; Low: 10 mW, nominal |
| Spurious Emissions |
Under federal regulations |
| Input Connector |
3-pin locking XLRF-type |
| Batteries |
Two 1.5V AA alkaline (not included) |
| Current Consumption |
High: 180 mA; Low: 160 mA, typical |
| Battery Life |
Approximately 6 hours (High); 8 hours (Low),
depending on battery type and use pattern |
| Dimensions |
40.0 mm (1.57") x
111.0 mm (4.37") x
40.0 mm (1.57") |
| Net Weight |
199 grams (7.0 oz) (without batteries) |