Otek MBTR4, MBTR3 User Manual

WORLD'S FIRST MULTI-BAND TRANSCEIVER

MODEL

(TX, RX., RPR OR TR) FOR 315, 434, 868, 915 BANDS

NEW

PRELIMINARY

1.25 X 1.25"

FREQUENCY HOPPING FOR OEMS & ENDUSERS

*Up To 100mW Output
*Up To 1000ft. Range

*1µA Stand-By Current

*4 Inputs and 4 Outputs
*Virtual WireTM Mode
*Quick to Worldwide Market With
Same Unit
*High R.O.I.
*3-24VDC & 90-265VAC Power
*7 Packages, Naked to E.Proof

DESCRIPTION

P.C. Mount

Finally a truly universal
system that complies to any country's
R.F. requirement! OTEK's new
MBTR can be ordered with any

1.5 X 1 X 3"

power, band, and operation as permit­ted by the country that is in use. This
means that your product does
to be changed at all! The same
P.C.B. and I/O are used for all bands
and due to
program the

Plastic Panel Mount

permissible bands, output power, and
operational mode (see License).
The T & R: The MBTR is available
as transmitter only (T), as receiver
only (R), as a repeater (RPR) or as a
transceiver (TR). As a "T" the unit

1.5 X 1 X 3"

accepts up to 4 different inputs from
dry contacts or push buttons (keyfob)
or 3V logic and transmits the "ON" or
"OFF" state of the inputs individually

Metal Panel Mount

coded. As an "R" the unit decodes the
specific input data and turns "ON" or
"OFF" its
(O.C.T.), its 3V TTL logic, or its relay
(depending on the output type you
select).
The "RPR": The repeater almost
doubles the range per unit. The "
can also be used as "
receiving function so any "
be used as an Alarm/Data originator
and the other "

Key-FOB
Transmitter

ID and data to the master receiver.
The "TR": As a transceiver (TR) the
MBTR is available in 2 versions.

520-748-7900

FAX: [phone]
E-MAIL:[e-mail]

http://www.otekcorp.com

FEATURES:

Wireless

not need

FCC rules OTEK must

MBTR for the specific

Open Collector Transistor

RPR"

T" overriding its

RPR" can

RPR"s as relays of the

SINCE 1974

APPLICATIONS:

*GPS Tracking *AMR *Silos *Cranes
*Hazardous Areas *Security Products
*Heating-Cooling *Pressure *Flow Rate
*Under-Over Voltage *Frequency *pH
*Event *%RH Controllers *Level *Serial
Communication *Pumps, Conveyors, Mo­tors *Cargo Ships, Trailers *Smoke, CO, LPG,
Methane I.R. Gas, Detectors, Tally Polling,
Battery Operation

A. With
microcontroller. This means that

SPI (4 wire) I/O and No

you write

your own program with OTEK's
instructions and benefit from propriatory de-

sign and lower cost, but you'll have to get
your own
B. With

FCC license.

UART I/O, in this configuration the

MBTR does all the work for you, all you

need to do is interface it to your
follow OTEK's list of commands.
license is propriatory to

OTEK and OTEK

UART and

FCC

transfers it to you at no cost upon receipt of
your PO, payment and affidavit of use. This
will save you thousands of dollars and months
of bureaucratic red tape. The
be disabled to use as Virtual Wire

UART can

TM

.

LICENSE:
OTEK only licenses the FCC approved

bands and output power per
(902-928MHz, soon for 2.4GHz) or

Part 15.247

Part

15.231 (315 and 433MHz periodic opera­tion). Any other non-FCC approved band or
power ordered must be accompanied by an
officer's signed affidavit that the unit's will
not be used within

FCC regulated areas and
that the user is responsible for obtaining the
license from the country/countries to be ex­ported to.
No Affidavit-No Order Entry.

How it works:

The

MBTR series uses internally controlled
frequency hopping technique and program­mable output power P.A. as well as error
checking to insure reliable communication
over the specified range. For extended
ranges it is permissible to increase the gain

4016 E. TENNESSEE ST.

TUCSON, AZ. 85714 U.S.A.

MADE

IN

USA

MBTR

2 X 2.5
X 4"

NEMA 4X
Panel/Pipe/
Conduit Mount

3 X 6 X 6"

Sanitary to
2500F Steam
Panel/Pipe
Mount

4 x 5 x 5"

Explosion
Proof

If You Don't
See It Ask
For It!

MBTR Page 2

of the unit by using a higher gain antenna than the unity
gain supplied (contact OTEK for more information).
Since the MBTR has "room to spare" on the "TX" mode
when in the 902-928 FH band (100mW at present), one
could use an antenna with up to 20dBM for the "TX" or
"RX" without infringing the law. No restrictions apply to
the receiver's gain except for noise amplifications. Con­sult FCC at www.fcc.gov for further details.

The Packages:

"T": The transmitter is available in these packages

A.

and with these input configurations:

A.1.

“Naked” P.C.B. with 14 position header to
solder or plug in your P.C.B. measuring 1"x1"x0.3"
(25x25x8mm) with either
A.1.1 Soldered helical antenna (unity gain) or
A.1.2 With

supplied

RPSMA connector to screw the

WHIP antenna (unity gain standard).

The helical antenna increases the length to

1.7” (43mm) for 868 and 915MHz bands
and 2”(50mm) for 315 and 433MHz bands.
The WHIP antenna increases the length by 4”
(100mm) for 868 and 915MHz and by 6”
(150mm) for 315 and 433MHz. The antenna
connector (RPSMA) allows you to install the
antenna remotely from the MBTR but you’ll
loose about one (1) dBm per every 3ft (1M)
of coax cable. In the Naked configuration the
MBTR-“T” only accepts either dry contact
or 3V compatible logic.Power input is limited
to either 3V (2.75-3.3V) or 4 to 12VDC.

A.2.KeyFob: In this package the MBTR-”T”

contains its own 3V lithium battery in a key chain
module only 1.25x2.25x.4” (32x57x10mm) with
four (4) buttons. Battery life expectancy depends
on the usage (frequency of use and output power)
but normally is good for about 1000 operations at
intervals of 15 minutes for a duration of 5 seconds
or less.Only "M" & "L" modes are available. See
Note 2.4

A.3.Miniature Case: (Plastic or Metal):

Antenna: WHIP only screwed into the built-in
RPSMA connector
Power: 3, 4-48VDC and 90-265VAC
Inputs: Dry contact or 3V logic (others on request)
Mounting: Panel or chassis mount only
1x1.5x2.75” (25x38x69mm).

A.4.Nema 4X: Only 2x2.5x4” (50x63x100mm) and it

is wall, pipe, or panel mount. The 868 or 915
MHz antenna extends the 4” length to 8” (200mm)

and 315 or 433Mhz by 6” to 10” (250mm).
Power and inputs are the same as for the
miniature case (others on request).
NMH: (3A/Hr.) Battery Pack is optional.
Duration depends on the power and fre­quency of transmittion (typical 3+ years).

A.5.Sanitary: This case complies to Steam

Wash Down requirements and withstands up
to 250ºF (120ºC) steam or hose down. The
antennas extend the height by 4 or 6” (100 or
150mm). The all aluminum, water tight 3x6x6
(75x150x150mm) case can be wall, pipe, or
panel mount and has space for up to 3 units.

A.6.

Explosion Proof: This 5” (125mm) diameter
case only 4” (100mm) deep can be pipe or
wall mount. The

MBTR is inside and
coupled to the antenna on the tempered glass
with OTEK’s exclusive high throughput
technique retaining the agency’s classification
for Class I, Div 1&2 Hazardous Environ­ments. The antenna swivels 360º for proper
orientation and the 1/2 NPT ports (2) can be
used to mount it or use the ears. There is
space inside the E.P. for OTEK’s

NMH

battery pack (4.8V @ 3AHR) for many
hours of operation since the MBTR-“T”

only consumes 1µA during stand by, 8mA

during awake and 70mA worst case at
maximum output power (25mA Nominally.

A.7. Batteries: How long do they last? How

often will the MBTR-T transmit? How big is
the battery? OTEK’s BP-48-4 is a 4 battery
pack with NMH batteries of 3A/hr rating,
enough for a minimum of 42 hours of continu­ous (?) operation (3000/70 mA) at maximum
power or more realistic over 365 days at 50/
day for 5 seconds at medium power. The
battery charger (p/n BC-48-4) is available
and don’t forget extra batteries p/n NMH1.2­3 (requires 4 each). The battery pack can be
included in NEMA 4X, Sanitary and explo­sion Proof (See Ordering Information.

B. “R”: The receivers use the same board as the

“T” with the same pinout except the inputs
become outputs. The "R" has 4 miniature LEDs
on the back that are lit when the transistor outputs
are low.
B.1.Naked: Same options and restrictions as the

“T” (see A.1.).

2