BlueBox IDTRONIC GEN2 ADVANT UHF, Manual, Page: 59 / 102

BLUEBOX Advant UHF Page 59 of 102
connection. A power of P
EIRP,max
= 4W EIRP is allowed. The maximum RF output
power is defined as:
P
C,max
= P
EIRP,max
- G
IC
- 2.15 + 5.15 + C
L
Where:
P
C,max
Maximum RF output power in dBm
P
ERP,max
Maximum ERP power of the antenna in dBm
G
IC
Circular antenna gain in dBic
C
L
Cable loss in dB
5.1 Internal Antenna (Items 5221U, 5222U, 5223U, 5221U-S, 5222U-S,
5223U-S, 5222U-MB-S)
The reader with external antenna has a maximum reading distance of about 4
mt.
5.2 1 External Antenna (Items 5237U, 5238U, 5239U, 5237U-S, 5238U-S,
5239U-S, 5238U-MB-S)
The reader with external antenna has a maximum reading distance of about 8
mt.
BLUEBOX 1 external antenna version.
5.3 Up to 4 External Antennas (Items 5231U, 5232U, 5233U, 5232U-MB)
The reader with external antenna has a maximum reading distance of about 10
mt.