OG_MU-4-434_v10e Circuit Design, Inc.
7
OPERATION GUIDE
Chapter 2 Specifications and Diagram
2.1 Main Specifications
2.1.1 General specifications
Temperature conditions: +25ºC ± 5ºC, typical
Item
Specification
Remarks
Compatible standards
EN 300 220
CE mark
Emission class
F1D
Antenna power (selectable)
Within 10 mW or 1 mW
+5ºC to +35ºC Contact (50 Ω)
Selectable by the command
Frequency stability
Within ± 4 ppm
Reference freq. at 25ºC
Antenna
1/4λ wire antenna
Gain of 2.14 dBi or less
Communication method
Half-duplex, one-way, broadcast
Modulation system
Binary FSK
Oscillation system
PLL synthesizer system
Radio communication speed
4800 bps
Frequency range
433.2000 to 434.7750 MHz
Channel spacing
12.5 kHz
Number of channels
127
Channel step 12.5 kHz
Receiver spurious radiation
-57 dBm or less (<1GHz)
-47 dBm or less (>1GHz)
Receiver sensitivity
-113 dBm
Transparent mode (BER 0.1%)
Operating temperature
-20ºC to +65ºC
(No dew condensation)
The operation distance varies with the
temperature conditions.
Storage temperature
-25ºC to +70ºC
(No dew condensation)
Operating voltage
3.0 V to 5.0 V
Absolute maximum rated voltage 5.5 v
Consumption current
At 10mW: TX 42 mA RX 22 mA
At 1 mW: TX 26 mA RX 22 mA
When the supply voltage is 3 v
Standby mode consumption current 4 mA
When the supply voltage is 3 v
Number of EEPROM conversions
1,000,000 times
Error correction system
Reed-Solomon code
RS (255, 247)
External dimensions
36 mm × 26 mm × 8 mm (W × D × H)
Not including the antenna.
H is the height from the mounting
surface.
Unit weight
14.5 g
Reference data
* Effective radio communication speed: About 3,400 bps / Conditions: One-way communication, no error correction, 25ºC
* Range: About 600 m / Conditions: One-way communication, no error correction, 25ºC, line of sight distance, ground level of 1.5
m, vertical antenna
2.1.2 UART interface specifications
Communication method
Serial communication (RS232C format)
Synchronization
Start-stop (asynchronous)
Data speed
1,200 / 2,400 / 4,800 / 9,600 / 19,200 / 38,400 / 57,600 bps
Flow control
RTS/CTS hardware flow control
Other parameters
Data length (8 bits), Parity (None, Even, Odd), Stop bits (1 or 2 )
