Franklin U772

Franklin U772

FCC approval date: 11 October 2012
Country of manuf.: Thailand

Type: mobile hotspot, USB dongle

FCC ID: RB2-U772

Power: 5 VDC, ? A
Connector type: USB Male-A

CPU1: Qualcomm MDM9615
FLA1: ? MiB (Hynix Model?)
RAM1: ? MiB (Hynix Model?)

Expansion IFs: USB 2.0 (slave)

WI1 chip1: Atheros Model?
WI1 802dot11 protocols: bgn
WI1 MIMO config: 1x1:1
WI1 antenna connector: none

bgn

Flags: CDMA, LTE

Default SSID: C Spire 4G LTE Hotspot XXXX

802dot11 OUI: F4:63:49

For a list of all currently documented Atheros chipsets with specifications, see Atheros.
For a list of all currently documented Qualcomm chipsets with specifications, see Qualcomm.

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Cellular/PCS CDMA & LTE USB Dongle with WLAN
Franklin U772 Smart USB Modem C Spire Wireless 4G LTE Smart USB Modem

• the Qualcomm MDM9615 Gobi baseband (on the iPhone wiki)
• Hynix Flash/RAM chip (H9DA4GH2GJAM?, CR4EM is visible on the package)
• an Atheros (likely SDIO) 802.11 chip

The device appears to be single-stream and limited to HT20 modes (max rate of 65Mbps).

Per the FCC SAR report under the cellular bands,

• WiFi is not operated when connected to a computer’s USB port.
• WiFi is operated when connected to the USB port of the AC USB adapter.
• This is a USB Dongle. Therefore, there is no voice transmission.

Per the FCC manual, the default SSID pattern is presumed to be C Spire 4G LTE Hotspot XXXX for C Spire branded units (is this device sold by any other carriers?).

Moderate (52 entries as of 03/22/2013) WiGLE data for the SSID, F4:63:49 (Diffon Corporation) OUI, last 4 chars are from the BSSID (upper case hex characters)