Williams Sound TGS PRO 738, FM Tour Guide System for 72-76 MHz.

Dimensions:

4.1" x 2.85" x 1.38" (104 x 72 x 35mm)

Weight:

4.6oz (130g) with batteries. 2.6oz (73g) without batteries

Color:

Black/Silver. Black ABS Plastic case with Aluminum faceplate.

Battery Type:

(2) AA Alkaline or (2) AA NiMH Rechargeable

Battery Life:

(2) AA non-rechargeable alkaline batteries (BAT 001-2), approx. 50 hrs.

(2) AA rechargeable NiMH batteries (BAT 026-2), 1500mAh, approx. 32 hrs.

Current Consumption:

52mA nominal

Operating Temp. Range:

32° – 122°F (0° to 50°C)

Channels:

17 Wideband, accessed via menu

Operating Frequencies:

72.1, 72.2, 72.3, 72.4, 72.5, 72.6, 72.7, 72.8, 72.9, 74.7, 75.3, 75.4, 75.5, 75.6, 75.7, 75.8, 75.9 MHz*

FM Deviation:

75 kHz

De-Emphasis:

75 µS

Display Screen:

1" OLED

Power Indication:

Power button, backlit green.

Good battery strength - glows solid. Low battery - flashes.

Sensitivity:

2 µV at 12 dB Sinad with squelch defeated

Input Overload:

100 mV

Frequency Response:

200 Hz – 15 kHz, ±3dB

Modulation:

FM, +/- 75 kHz peak deviation

Signal-to-Noise Ratio:

Minimum 65 dB @ 1.0V

Receive Antenna:

Integral with earphone/headphone cord

Audio Output:

35 mW max at 16 Ω

Headphone Connector:

3.5 mm stereo jack, mono output for stereo or mono earphones/headphones

Supplied Earphone:

Stereo,earbud-type with foam cushion, 3.5 mm plug, 32 Ω

Power Save Mode:

Enters sleep mode after approximately 3 minutes of no RF signal

Approvals:

FCC, Industry Canada, RoHS, WEEE

Warranty:

Lifetime PLUS Limited Warranty, 90 Days on most accessories.