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HMT2 Datasheet, PDF (6/7 Pages) Radiometrix Ltd – NBFM Multi-channel 500mW UHF Transmitter
Condensed specifications
Frequency
Frequency stability
Channel spacing
Number of channels
Transmit
Output power
TX on switching time
Modulation type
TX modulation bandwidth
Adjacent channel TX power
TX spuri
Spurious radiations
Inputs
As supplied:
Version 1: 458.525 - 459.1MHz (25kHz steps)
Version 2: 458.8 - 459.3MHz (25KHz steps) and 461.3MHz
+/- 1.5kHz
25kHz
16 channels controlled by parallel port
32 channels controlled via RS232 interface
+27dBm (500mW) ±1dB
30 ms from TXE transition
FSK (F3D)
DC – 3kHz (3v CMOS compatible DATA input)
<-37dBm
<-36dBm (no output in standby)
Compliant with ETSI EN 300 220-3 and EN 301 489-3
data (CMOS/TTL compatible)
Supply
Interface
Voltage
Current
User
RF
+5V regulated (or 6-9V in –R version)
350mA nominal transmit
<5µA standby (TXE high or floating)
8 pin 0.1" pitch single row header
6 pin 0.1" pitch
Recommended PCB hole size
Size
Operating temperature
Intended approval
1.2mm (min.)
66 x 23 x 9mm
-20 to +55 οC (Storage -30 to +70 οC)
ETSI Radio standard EN 300 220-3 and EMC standard EN 301 489-3
Ordering Information:
Part No.
HMT2-458-5
HMT2-460-5
HMT2-458-5-R
HMT2-460-5-R
Notes
version 1
version 2
version 1; regulator version
version 2; regulator version
Matching Receiver
LMR2-458-5 (version 1)
LMR2-460-5 (version 2)
Frequency band
458.525 - 459.1MHz
458.8 - 459.3MHz and 461.3MHz
458.525 - 459.1MHz
458.8 - 459.3MHz and 461.3MHz
458.525 - 459.1MHz
458.8 - 459.3MHz and 461.3MHz
Radiometrix Ltd
HMT2 Data Sheet
page 6