Broadcom BCM94301MP

Overview
BCM4301 BB/MAC + BCM2051 802.11b Zero IF radio + SiGe SE2520L power amplifier

The FCC manual description for the device is "Dell TrueMobile 1180 Internal 802.11b Mini PCI Card".

Additional specifications, per the FCC docs
Transmit Power
 * +15dBm (nominal) at the antenna connector