Appendix — Technical description —
5 Communication specifications
5.1 Wireless communication specifications
5.1.1
IEEE standard:
Frequency band:
Security:
Channel bonding:
Data flow:
Protocols:
5.1.2
Communication range:
Ambient conditions:
5.1.3
This product includes an RF transmitter whose specification are as follows.
Frequency
band
2.4 GHz
5 GHz
Frequency
band
2.4 GHz
5 GHz
* Do not use the channels 12 (2467 MHz) and 13 (2472 MHz) in U.S.A.
** Do not use this frequency in European Union and EFTA.
78
Communication system
IEEE 802.11a/b/g/n
2.4 GHz/5 GHz
WPA2-PSK (AES)
Available
Half duplex
ARP, ICMP, IP, TCP, UDP
Communication environment
Within 8 meters
Do not cover the wireless module with wireless shielding components.
No structures which will block the wireless signals may be placed in any
positions between the units.
The detector must not be used in the vicinity of any devices which use the
same frequency band as the detector.
RF transmitter specification
Wireless LAN
Frequency band
standard
IEEE 802.
11b
11g
2412-2472*
HT20
11n
HT40
2422-2462
11a
5180-5320
5500-5700
HT20
5745-5825**
11n
5190-5310
HT40
5510-5670
5755-5795**
Wireless LAN
Setting value
standard
IEEE 802.
11b
11g
12
HT20
11n
HT40
11
11a
HT20
11
11n
HT40
Modulation
(MHz)
DSSS
OFDM
OFDM
Deviation
(dBm)
(dB)
±2
±2
±2
Data rate
(Mbps)
11
54
75
150
54
75
150
Maximum
Antenna
effective
factor (dBi)
radiation
power (dBm)
3
17
3
16
4.5
17.5