Acer B1-820 Manuale di servizio - Pagina 7
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Receive Sensitivity
Antenna
Bluetooth® 4.0
Module
MAC address
Support Profiles
Frequency Range
Modulation
Channel
Data Rates
Operating Range
Output Power
Receive Sensitivity
Antenna
GPS
Chipset
Channel
Sensitivity
Accuracy
11g : 14dBm ± 2dB
11n : 11dBm ± 2dB
802.11b: under -83dBbm at 11Mbps
802.11g: under -70dBm at 54Mbps
802.11n: under -67dBm at MCS 7 (2.4GHz only)
Single antenna (without diversity)
Support 2.4~2.5GHz band.
Performance should meet test summary document released by Acer DQM.
Broadcom BCM43438
Device must contain Bluetooth MAC address before shipment
Low layer BT profile
▓RF ▓RFPHY ▓BB ▓LMP ▓LL ▓L2CAP ▓SDP ▓GAP
▓RFComm ▓ATT ▓GATT ▓SM □SCPP ▓AVCTP ▓AVDTP
□BNEP ▓GAVDP □SCPP
High layer BT profile
▓A2DP ▓AVRCP ▓DI (DID) □HFP ▓HID ▓HOGP □HSP
□MAP ▓OPP □PAN □PBAP ▓SPP
Others
▓IOP
2.4 GHz (2.400 ~ 2.4835 GHz)
GFSK, π/4 DQPSK and 8DPSK
79 channels
Basic data rates: GFSK (1Mbps)
EDR data rates: π/4 DQPSK (2Mbps) and 8DPSK (3Mbps)
10m
Class 1 (0dBm~10dBm)
Under –80 dBm, BER of 0.1%
Share the same antenna from WiFi
Performance should meet test summary document released by Acer DQM.
BCM4752 (Support GPS & GNSS)
Tracking: 36 (running concurrently with the acquisition channels)
Acquisition: 100-200 (flexible non-real time architecture)
Tracking Sensitivity ≦-152 dBm (1 SV at least)
Acquisition Sensitivity ≦-140 dBm (4 SVs at least)
Hot start: less than 7 seconds (* subject to test environments)
Warm start: less than 40 seconds (* subject to test environments)
Cold start: less than 50 seconds (* subject to test environments)
Position: within 10m for 90%
Velocity: 0.1m/s (* subject to test environments)