Acer B1-820, Service Manual

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11g : 14dBm ± 2dB
11n : 11dBm ± 2dB
Receive Sensitivity
802.11b: under -83dBbm at 11Mbps
802.11g: under -70dBm at 54Mbps
802.11n: under -67dBm at MCS 7 (2.4GHz only)
Antenna
Single antenna (without diversity)
Support 2.4~2.5GHz band.
Performance should meet test summary document released by Acer DQM.
Bluetooth® 4.0
Module Broadcom BCM43438
MAC address Device must contain Bluetooth MAC address before shipment
Support Profiles

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
Frequency Range 2.4 GHz (2.400 ~ 2.4835 GHz)
Modulation GFSK, π/4 DQPSK and 8DPSK
Channel 79 channels
Data Rates Basic data rates: GFSK (1Mbps)
EDR data rates: π/4 DQPSK (2Mbps) and 8DPSK (3Mbps)
Operating Range 10m
Output Power Class 1 (0dBm~10dBm)
Receive Sensitivity Under –80 dBm, BER of 0.1%
Antenna
Share the same antenna from WiFi
Performance should meet test summary document released by Acer DQM.
GPS
Chipset BCM4752 (Support GPS & GNSS)
Channel Tracking: 36 (running concurrently with the acquisition channels)
Acquisition: 100-200 (flexible non-real time architecture)
Sensitivity
Tracking Sensitivity
≦
-152 dBm (1 SV at least)
Acquisition Sensitivity
≦
-140 dBm (4 SVs at least)
Accuracy
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)