STD-302S: 429 MHz0 pages
UHF Narrow Band Multi Channel Transceiver
STD-302S
429MHz
The UHF FM narrow band semi-duplex radio module STD-302S 429MHz is suitable for industrial remote control application and telemetry
application operated in 429MHz ISM band. SAW filter and narrow band technique provides reliable data communication in industrial
applications where interference rejection and practical distance range is required. Suitable for feedback systems.
Features
・
・
・
・
・
・
10mW RF power, 3.0V
Programmable RF channel
Receiver sensitivity -120 dBm
Excellent vibration and shock resistance / Mechanical durability
FM narrow band
434 MHz also available
Applications
・ Industrial remote control system
・ Telemetry system
・ Data transmission
General
Specification
Communication form
Half duplex
Frequency
429.25 to 429.7375 MHz
Channel step
12.5 kHz Channel programmable (PLL IC:Fujitsu MB15E03)
Frequency stability
+/- 4 ppm (-20 to + 60 degree C)
Data rate
4,800 bps max (Pulse width min. 200 us, max 20ms)
PLL reference frequency
21.25 MHz (TCXO)
PLL response
30 ms typ. (from PLL setting to LD out)
Modulation
FSK
Supply voltage
3.0 to 5.5 V
Supply current
44 mA typ (TX) 26 mA typ (RX)
Operating temp. range
-20 to + 60 degree C (Storage : -30 to + 75 degree C)
TX/RX switching time
15 ms typ. (DI vs valid DO at the same frequency)
Dimension
30 X 50 X 9 mm
Weight
Transmitter
part
Parameter
25g
Specification
Transmitter type
PLL synthesizer
RF output power
10 mW at 50 ohm
Deviation
+/- 2.0 kHz (PN9, 4800bps)
DI input level
L = GND, H = 3 V to Vcc
Residual FM noise
0.17 kHz
Spurious emission
- 27 dBm max.
Adjacent CH power
Receiver part
Parameter
-40 dBm (PN9 4800 bps)
Parameter
Specification
Receiver type
Double superheterodyne
IF
21.7 MHz (1st), 450 kHz (2nd)
Maximum input level
10 dBm
Receiver sensitivity
- 120 dBm (12 dB SINAD)
- 120 dBm (BER 1%)
- 115 dBm (0 error / 2556 bits)
Spurious response rejection
70 dB ( 1st Mix), 55 dB (2nd Mix)
Adjacent channel selectivity
50 dB ( +/- 12.5 kHz)
Intermodulation
50 dB (f - 200 kHz + f - 100 kHz)
Spurious radiation
- 54 dBm max.
DO output level
L = GND, H = 2.8 V
www.circuitdesign.jp
STD-302S 429MHz ver1.0
Oct. 2014
Specifications are subject to change without prior notice
Sales Division
7557-1 Hotaka, Azumino, Nagano 399-8303, Japan
Tel:+81-(0)263-82-1024
Fax:+81-(0)263-82-1016