User's Manual

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7.3 Specification
7.3.1 Radio Characteristics
Engineering standard FCC Part 15.247 (no user license required)
RF power output 6mW/MHz max.
Modulation Direct sequence spread spectrum
Communication scheme Single communication
Frequency band 2403.328 to 2480.128 MHz
Frequency channel 76 channels
（26 channels available for simultaneous communication in one area）
Channel management Fixed mode or group mode
Fixed mode: communication by fixing 1 arbitrary frequency from 76 freq.
Group mode: multi-access within a group of plural frequencies
Data barer rate 51.9 kbps
Oscillation PLL synthesizer
Antenna diversity 2 branch reception diversity
Service area In an indoor environment: 60m radius, depending on the environment
In an outdoor environment: more than 300m (line-of-sight)
RF connector Hirose U.FL-R-SMT
In/out of connector 30 times max. using E.FL-LP-N extractor (for exclusive use)
7.3.2 Communication Control
Radio link control Command control
Error checking CRC-CCITT (16 bit)
Error handling ARQ (Automatic Retransmission Request)
Multi-access function Connect on clearest channel from selected frequency group
7.3.3 Data Terminal Interface
Physical interface Molex 53780-1400 (14 pins)
Mating connector: 51146-1400
Interface specification Serial communication
Input CMOS level (5V tolerant with hysteresis)
Output CMOS level
Communication Full-duplex or half-duplex system
Synchronization Asynchronous
Transmit/receive buffer Approx. 3 k bytes in total
Baud rate 300 / 600 / 1200 / 2400 / 4800 / 9600 / 19200 / 38400 / 57600 / 115200 /
230400 bps
Flow control Hardware flow / Software flow
Data length 7 or 8 bit
Stop bit 1 or 2 bit
Parity Even, odd, or none
7.3.4 Power Supplying
Supply voltage 3.5 to 7.0Vdc
Current consumption 110 mA or less in the active mode
35 mA or less in the RF stop mode
1mA or less in the stanby mode
7.3.5 Environmental
Operating temperature -10 to +60 ℃
Storage temperature -20 to +70 ℃
Operating humidity 90%RH max. (no condensation)
Storage humidity 90%RH max. (no condensation)
Vibration resistance JIS-C-0040 (50m/s
2
, 10 to 150 Hz, 15 cycles)