AM RF T
RANSMITTER
M
ODULE
.
TECHNICAL SPECIFICATION
Absolute Maximums
Voltage + ve to -ve
-2.5 to 8.5V
Ambient temperature 20deg C
Storage Temp
-40 to +85
o
C
AM-TX1-XXX
ELECTRICAL CHARACTERISTICS
Module Voltage (@ max drive)
Module Voltage (@ min drive)
Drive Current (@ max drive)
Drive Current (@ min drive)
Working Frequency
Working Frequency
Data Throughput
Tuning Tolerance
Radiated Power (ERP) (@ max drive V)
Modulation
Modulation Pulse width
Operating Temperature
DRIVE VOLTAGE
MAX
13.1
9.9
7.6
6.1
5.2
4.5
4.0
3.5
0.5
MIN
417.925
TYPICAL
3.0
2.2
4.6
3.0
418.000
433.92
+/-75
-6.0
ON-OFF
MAX
418.075
1200
DIMENSION
V
V
mA
mA
MHz
MHz
baud
KHz
dBm
mSecs
0.8
-10
+40
RESISTOR VALUE (R
D
)
Ω
2K2
1K5
1K
680
470
330
220
100
‘off voltage’
°C
MIN
8.8
6.7
5.2
4.2
3.6
3.2
2.8
2.5
-1
UNIT
V
V
V
V
V
V
V
V
V
LICENCE EXEMPTION
This range of Radio transmitters is approved by the Department of Trade & Industry (D.T.I. Specification MPT1340) in the U.K., and
therefore the user requires no radio operating licence in the U.K. Please note however the following requirements to comply with
MPT1340;
1. All transmitters shall use integral antennas only. Receivers may use an external or integral antenna. An integral antenna is
defined as one which is designed to be connected permanently to the transmitter or receiver without the use of an external
feeder. The antenna shall be a tuned loop not exceeding 700mm
2
enclosed area, or a whip not exceeding 90mm in length.
2. The equipment in which the module is used must carry an inspection mark located on the outside of the equipment which is
clearly visible. It shall state “MPT1340 W.T. Licence Exempt”. The minimum dimensions of the mark shall be 10 x 15mm and the
figure height shall be not less than 2mm.
PART No
AM-TX1-418
AM-TX1-433
DESCRIPTION
Transmitter Module 418MHz
Transmitter Module 433MHz
Should you require further assistance, please call;
R. F. Solutions Ltd.,
Unit 21, Cliffe Industrial Estate,
South Street,
Lewes,
E Sussex, BN8 6JL. England.
Tel +44 (0)1273 898 000. Fax +44 (0)1273 480 661.
Email sales@rfsolutions.co.uk
http://www.rfsolutions.co.uk
RF Solutions is a member of the Low Power Radio Association.
Information contained in this document is believed to be accurate , however no representation or warranty is given and no liability is assumed by R.F. Solutions Ltd. with respect to the accuracy of such information.
Use of R.F.Solutions as critical components in life support systems is not authorised except with express written approval from R.F.Solutions Ltd.
DS012_1
Oct 00
©2000
REG No 277 4001, ENGLAND.
Page 3
RFSOLUTIONS [ RFSOLUTIONS.LTD ]
