BCM4339 Preliminary Data Sheet
WLAN RF Specifications
Section 17: WLAN RF Specifications
Introduction
The BCM4339 includes an integrated dual-band direct conversion radio that supports the 2.4 GHz and the
5 GHz bands. This section describes the RF characteristics of the 2.4 GHz and 5 GHz radio.
Unless otherwise stated, limit values apply for the conditions specified inTable 31: “Environmental Ratings,” on
page 123 and Table 33: “Recommended Operating Conditions and DC Characteristics,” on page 124. Typical
values apply for the following conditions:
•
•
VBAT = 3.6V
Ambient temperature +25°C
Figure 42: Port Locations Showing Optional ePA and eLNA (Applies to 2.4 GHz and 5 GHz)
BCM4339
RF Switch
(0.5 dB typical insertion loss)
WLAN Tx
BT Tx
Filter
WLAN/BT Rx
Antenna
Port
RF Port
Chip
Port
2.4 GHz Band General RF Specifications
Table 39: 2.4 GHz Band General RF Specifications
Item
Condition
Including TX ramp down –
Including TX ramp up
DSSS/CCK modulations –
Minimum Typical
Maximum Unit
TX/RX switch time
RX/TX switch time
–
–
–
5
µs
µs
µs
–
2
Power-up and power-down ramp
time
< 2
Broadcom®
November 17, 2014 • 4339-DS106-R
Page 138
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