Personal FM™ Listening System
•
Model PFM 863
ADA
Description:
The Personal FM Listening System, model PFM 863, helps to overcome distance from the speaker,
reduces background noise and distractions for improved hearing in the classroom, job training, con-
sultation and more. The speaker uses the T863 transmitter equipped with a microphone to deliver
their message wirelessly to a listener. The listener uses the R863 receiver equipped with an ear-
phone or headphone to pick-up the speaker’s message. The Personal FM system helps to overcome
background noise, distance from the speaker, and enhances the quality of the message for all par-
ticipants. The Personal FM system operates on 863 MHz, meets RoHS approval guidelines, and is
backed by a 3 year factory warranty.
Applications:
Classrooms • Job Consultation • Job Training • Tours • Group Meetings
T863 Transmitter:
Dimensions:
155 mm H x 72 mm W x 30 mm T
(6.1” H x 2.85” W x 1.2” T)
82 grams (2.89 oz.), no batteries
Black
ABS/Polycarbonate, shatter-resistant
Two (2) AA 1.5 V Non-rechargeable Alkaline batteries
(BAT 001), 100 mA nominal current drain, 20 hours
approx. life
On/Off/Channel
Selector Switch
"On" Indicator LED
Microphone Jack
Weight:
Color:
Material:
Battery Type:
Antenna
(OR)
T863 Top
Two (2) AA 1.2 V NiMH Rechargeable batteries (BAT 026),
100 mA nominal current drain, 15 hours per charge
approx., recharges in 14–16 hours, uses CHG 3512
Multiple Battery Charger
Operating Frequencies:
CH 1 - 863.25 MHz; CH 2 - 863.75 MHz;
CH 3 - 864.75 MHz ( 30 kHz)
Operating Range:
Stability:
30 meters (98.4 feet) with R863 receiver
.05 MHz, 0 - 50° Celsius
FM Deviation:
Pre-Emphasis:
Sensitivity:
60 kHz 5 kHz, transmitter input at 1 kHz, 2.5 mV
50 µS
< - 90 dBm @ 60 kHz deviation
5 - 10 dBm
RF Output:
Freq Response:
Distortion:
500 Hz - 5 kHz, 3 dB
< 2.0% THD
Transmit Antenna:
Microphone:
External, 5cm
Head-worn, noise-cancelling, electret type, 39 in. cord, 3.5
mm mono phone plug (MIC 086)
Microphone gain adjust; Channel/Power selector (4 posi-
tion rotary switch): “Power icon” is off; position 1 is CH1;
position2 is CH 2; position 3 is CH 3
Power on indicator: Red LED “on” indicates when receiv-
er has power
Controls & Indicators:
Low battery indicator: Power LED flashes when batteries
are low
Battery selector: Slide switch for alkaline or NiMH battery
operation
3.5 mm jack
T863 Front
Mic Connector:
Charging Contacts:
Approvals:
Designed for use with CHG 3512 Battery Charger
CE, RoHS, WEEE, ETSI EN 301 357-1, ETSI EN 301 357-2
3 years parts and labor (90 days on accessories)
Warranty:
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2007, Williams Sound Corp. MCAT 061A
1
Personal FM™ Listening System
•
Model PFM 863
ADA
Bid Specs:
T863 Transmitter
The T863 shall be a portable, belt-pack equipped wide-band transmitter. The unit shall have three user-
selectable operating frequencies of 863.25 MHz for CH1, 863.75 MHz for CH 2 and 864.75 MHz for CH 3.
The T863 shall be housed in a black polycarbonate impact-resistant enclosure and feature a two-inch
external antenna and 3.5mm mono microphone input.
The transmitter shall include an integrated on/off/channel selector control, an internal mic gain control,
and power ON indicator LED. The power ON LED shall flash to indicate low battery.
The transmitter shall operate on two AA alkaline batteries for approx. 20 hours of operation or 15 hours
with Williams Sound NiMH rechargeable batteries (BAT 026). The transmitter shall have drop-in charging
points for charging with the optional CHG 3512.
The T863 shall have an operating range of approx. 30 meters (98 feet) when used with the R863 receiver
and a signal ratio greater than 50dB with the R863 and 60 kHz deviation.
The T863 shall have CE, ETSI EN 301 357-1, ETSI EN 301 357-2 approvals, and be compliant with RoHS and
WEEE regulations. The unit shall have a three year parts and labor warranty.*
The transmitter shall be the Williams Sound Corp. model number T863.
R863 Receiver
The R863 shall be a portable, belt-pack equipped wide-band receiver. The unit shall have three user-
selectable operating frequencies of 863.25 MHz for CH 1, 863.75 MHz for CH 2 and 864.75 MHz for CH 3.
The R863 shall be housed in a black polycarbonate impact-resistant enclosure and feature a 3.5mm ear
jack that can accept stereo or mono earphones.
The receiver shall include an adjustable volume control, integrated on/off/channel selector and power
ON indicator LED. The power ON LED shall flash to indicate low battery.
The receiver shall operate on two AA alkaline batteries for approx. 40 hours of operation or 30 hours
when using Williams Sound NiMH rechargeable batteries (BAT 026). The receiver shall have drop-in
charging points for charging with the optional CHG 3512.
The R863 shall have an operating range of approx. 30 meters (98 feet) when used with the T863 trans-
mitter, and shall a signal to noise ratio greater than 50dB and 60 kHz deviation.
The R863 shall have CE, ETSI EN 301 357-1, ETSI EN 310 357-2 approvals, and be compliant with RoHS and
WEEE regulations. The unit shall have a three year parts and labor warranty.*
The receiver shall be the Williams Sound Corp. model number R863.
*90 days on accessories.
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2007, Williams Sound Corp. MCAT 061A
3
Personal FM™ Listening System
•
Model PFM 863
ADA
Contact:
Williams Sound Corporate Headquarters
10321 W. 70th Street
Eden Prairie, MN 55344
Phone: 800-328-6190 or 952-943-2252
Fax: 952-943-2174
Email: [email protected]
United Kingdom
Sound Associates
Keeble House, 81 Island Farm Road
West Molesey, Surrey KT 2SA
United Kingdom
Phone: (44) 020 8939 5900
Fax: (44) 020 8939 5901
Email: [email protected]
NOTE: SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE!
©2007, Williams Sound Corp. MCAT 061A
4
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