Window Lite Plus by ComSonics, Inc.

Seems I just won this device at eBay...

Let's see how it turns out. Known flaw: broken battery. It is a custom battery, so I'm not sure if I will manage to replace/repair it.

Let's see...

This is a full spec handheld CATV field meter.

Specifications

General
Frequency Range: 5 ~ 860 MHz
Input Level Range: -45 dBmV ~ +60 dBmV
Input Impedance: 75W nominal
IF Passband: 180 kHz
Graph Display Range: 30 dB or 10 dB, user selectable
Display Units:
- Absolute: dBmV, dBmV
- Relative: percent, dB
Display Resolution: 0.1 dB, 0.1%
Maximum RF Input Power: 1.0 Watt
RF Input 50/60 Hz Isolation: 250 VAC
Power Requirements:
- 6.0 watts maximum, supplied from a rechargeable 9.6 volt,
- 1.2 ampere-hour nickel-cadmium (Ni-Cd) battery pack

Signal Level
Accuracy
- 68 °F (20 °C) ± 1.0 dB
- 0 °F ~ 120 °F (-18 °C ~ 49 °C) ± 1.5 dB

Carrier-to-Noise
Accuracy
- 68 °F (20 °C) ± 1.5 dB
- 0 °F ~ 120 °F (-18 °C ~ 49 °C) ± 2.5 dB
Maximum Dynamic Range: 50 dB (Input Level = +10 dBmV)

Low Frequency Disturbance (HUM)
Accuracy
- 68 °F (20 °C) ± 0.5%
- 0 °F ~ 120 °F (-18 °C ~ 49 °C) ± 1.0%
Range: 0.5% ~ 10%
Passband: 50 Hz, 60 Hz, 100 Hz, 120 Hz, or 20 Hz ~ 2 kHz
Input Range: 0 dBmV ~ +20 dBmV

Temperature Measurement
Accuracy: ± 2°
Range: -40 °F ~ 180 °F (-40 °C ~ 82 °C)

Mechanical
Operating Temperature: 0 °F ~ 120 °F (-18 °C ~ 49 °C)
Storage Temperature: -20 °F ~ 150 °F (-29 °C ~ 66 °C)
Operating Humidity: 0% ~ 100+%
Storage Humidity: 0% ~ 90% (non-condensing)
Net Weight: 2.5 lb. (1.1 kg)
Shipping Weight: 5.5 lb. (2.5 kg)
Dimensions (maximum): 10.6 x 4.0 x 3.1 inches (269.2 x 101.6 x 77.7 mm)

Specifications subject to change without notice