Installation — Reference Information, cont’d
Specifications — VLP 102 VoiceLift Microphone
Audio/acoustic and electrical
Microphone type | Omnidirectional electret condenser |
Microphone gain |
Audio input
Number/signal type | 1 mono, via integrated electret condenser microphone or |
| 1 mono, unbalanced, via auxiliary mic input jack with 3.3 VDC |
| and |
| 1 stereo, unbalanced, via auxiliary line input jack, mixed with mic input |
Connectors | (1) 3.5 mm mini audio jack (tip = left, ring = right, sleeve = GND) for |
| auxiliary line input (Audio In) |
| (1) 2.5 mm mini audio jack (tip = signal + bias voltage, sleeve = GND) for |
| auxiliary mic input (Mic) |
IR transmitter (microphone transmission)
Signal type | Infrared output |
Carrier frequencies | A and C: 2.3 MHz (selectable) |
| B and D: 2.8 MHz (selectable) |
Operating range | 40' (12.2 m) line of sight |
Transmission angles | 150° horizontally and 90° vertically |
General
Power | Supplied by an internal battery |
Charger requirements | +5 VDC, 0.5 A on a 3.5 mm o.d. DC power jack, center pin positive |
Batteries |
|
Number/type | 1 AA size NiMH or alkaline battery |
Operating time (h:mm) | Rechargeable 2700 mAh NiMH batteries: up to 8 hours, continuous use |
| Alkaline batteries: up to 8 hours, continuous use |
Recharging time | 6 hours for a 2700 mAh NiMH battery |
Temperature/humidity | Storage: |
| Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing |
Cooling | Convection, no vents |
Mounting | Can be used as a pendant with the included lanyard. |
Enclosure type | High impact plastic |
Enclosure dimensions | 4.7" H x 1.4" W x 1.1" D* |
| (12.0 cm H x 3.5 cm W x 2.9 cm D*) |
| (*Depth includes clip. Depth without clip = 0.9" [2.3 cm]) |
Product weight | 1.7 oz (50 g) without battery |
| 2.6 oz (75 g) with battery |
Shipping weight | 1 lb (<1 kg) |
Vibration | ISTA 1A in carton (International Safe Transit Association) |
Regulatory compliance |
|
Environmental | Complies with the appropriate requirements of RoHS and WEEE. |
Accessibility | Section 508 of the Rehabilitation Act (29 U.S.C. 794d) |
MTBF | 30,000 hours |
Warranty | 3 years parts and labor |
NAll nominal levels are at ±10%.
NSpecifications are subject to change without notice.