E-Drive Technology RF-Modem II User manual

1
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com

2
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
(1) this device may not cause harmful interference,
(2) this device must accept any interference received, including interference that may cause
undesired operation.
Warnings:
This equipment has been approved for mobile applications where the equipment should be used
at distances greater than 20cm from the human body (with the exception of hands, wrists, feet
and ankles). Operation at distances less than 20 cm is strictly prohibited.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment.
The antenna(s) used for this transmitter must not be co-located or operating in conjunction with
any other antenna or transmitter.

3
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
1) This device may be used only as a part of RF Receiving Station.
2) Communicate this device accordingly with the communication chart below using only
original communication cable. Communication in any other ways is strictly forbidden.
3) Power (8-20VDC) should be supplied only by approved power supply complying with
limited power source requirements of EN60950-1.
4) This device should be used at distances greater than 20cm from the human body.
5) Don’t touch the device RF antenna to any other subject when being in use.
6) Don’t use the device in water and dust environment.
7) Avoid blows, drops and mechanical shocks.

4
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
28/12/2006
RF Specification:
•RF Transmitter/Receiver Frequency 433.92 MHz
•Frequency separation 9.9kHz
•Data Rate 4.8kBaud
•Data Format NRZ (Non-Return-to-Zero)
•RF Output Power -25dBm
•Channel Spacing 25kHz
•Modulation FSK (Frequency-Shift-
-Keying)
•RSSI -146dBm
•Outdoor Transmit/Receive Range Up to 1000 feet
RF-Antenna type used with RF-Modem connected to:
•RF-Receiving Station on PC Indoor/ Strait-Right Angle Gain 2.15dB,
TLB-433-JW-5L Without cable

5
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
Power Supply
•Power Supply 8-20VDC
•Power Current 100mA max
•Protect inverted power supply
Interface Connection:
•RS232 Communication
Indication:
•Transmit /Tx RED LED
•Receive /Rx GREEN LED
Physical Specifications
•Construction Metal Case Black
•Dimensions 200x110x100mm With RF-Antenna
•Weight 100g With RF-Antenna
Environment Condition
•Operation Temperature -20 To +55C
•Storage Temperature -40 To +85C

6
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
The RF-Modem II is a low-cost wireless modem that operates in the license-free 433.92
MHz ISM frequency band range. The RF-Modem II transfers data up to 1,000 feet. Its small
size and other unique features, such as low power consumption, make RF-Modem II the ideal
as high performance RF data transceiver.
RF-Modem II can be connected and fully operated from the PC by means of RF Receiving
Station.

7
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
1.
RF-Modem II
Communication Connector J1
MicroFit 2*3 Pins Male
Name Pin Description Note
TxD_MODEM 1 Data Output RS232
RxD_MODEM 2 Data Input RS232
GND 3 Ground GND
RF_REQ 4 Logic Output Open Collector
Main_12V 5 Main Power Power
N/C 6
RF-Modem II
RF-Antenna Connector J3
SMA Female
Name Pin Description Note
RF Data 1 RF Output/Input 433.92MHz
GND 2/3/4/5 Ground GND

8
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com
RF Receiving
Station on PC
COM Port1
Modem Cable
Modem Cable
RF Antenna
Communication
Connector J1 Communication
Connector J1
Transmit/Receive
J1
J2
J3
J4
J5
J7
RF-Modem II
RF-Modem II
RF-Antenna
RF stand
alone
Station

9
Keren Hayesod St. 15
P.O.B 2035
Tirat Hacarmel 39120,
ISRAEL
Tel: [phone]
Fax: + 972 4 8580 566
Web: www.e-drivetech.com