Askey STI625X is a Wi-Fi and Bluetooth functionalities module that supports IEEE 802.11 Key features like dual-stream spatial multiplexing up to 1200 Mbps data rate, 20, 40, 80 MHz channels with optional SGI (1024 QAM modulation), real simultaneous dual-band, client MU-MIMO, and standard SDIO v3.0. For Bluetooth, it supports HCI UART (up to 4 Mbps), PCM for audio data, and complies with Bluetooth Core Specification Version 5.1.
Askey STI625X is a Wi-Fi and Bluetooth functionalities module that supports IEEE 802.11 Key features like dual-stream spatial multiplexing up to 1200 Mbps data rate, 20, 40, 80 MHz channels with optional SGI (1024 QAM modulation), real simultaneous dual-band, client MU-MIMO, and standard SDIO v3.0. For Bluetooth, it supports HCI UART (up to 4 Mbps), PCM for audio data, and complies with Bluetooth Core Specification Version 5.1.
ASKEYModelNameSTI625X
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Wi-Fi and Bluetooth functionalities module
(User Manual)
Model:STI625X
FCCID:H8N‐STI625X
Product description Wi-Fi + BT Combo Module
Trade mark: Askey
Model type: STI625X
Power rating: VBAT DC 3.3V & VDDIO DC 1.8V
Frequency range:
2.4GHz: 2.400 GHz ~ 2.4835 GHz (2.4GHz ISM Band)
5GHz: 5.15~5.35GHz、5.47~5.725GHz、5.725~5.85GHz
(5GHz UNII Band)
Wi-Fi Channels:
2.4GHz: Ch1 ~ Ch11
5.15~5.35 GHz: Ch36 ~ Ch64
5.47~5.725GHz: Ch100 ~ Ch140
5.725~5.85GHz: Ch149 ~ Ch165
Antenna gain:
Antenna-1
2.4G 2400~2483 MHz 2.45 (dBi)
5G/5150~5250 MHz 4.71 (dBi)
5250~5350 MHz 4.61(dBi)
5470~5725 MHz 3.74 (dBi)
5725~5850 MHz 3.96 (dBi)
Antenna-2
2.4G 2400~2483MHz 2.14 (dBi)
5G/5150~5250 MHz 3.58 (dBi)
5250~5350 MHz 3.33 (dBi)
5470~5725 MHz 4.38 (dBi)
5725~5850 MHz 5.21 (dBi)
Type of Antenna: Dipole Antenna
HW version: Rev-3
SW version:
DUTOS:Android11
Driverversion:101.10.361
Firmwareversion:18.35.387
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Product Features
IEEE 802.11 Key Feature
z Lead Free design which is compliant with ROHS requirements.
z TX and RX low-density parity check (LDPC) support for improved range and power
efficiency.
z Dual-stream spatial multiplexing up to 1200 Mbps data rate.
z 20, 40, 80 MHz channels with optional SGI (1024 QAM modulation)
z Real simultaneous dual-band
z Client MU-MIMO
z Supports standard SDIO v3.0, compatible with SDIO v2.0 HOST interfaces.
Bluetooth Key Feature
z BT host digital interface:
- HCI UART (up to 4 Mbps)
- PCM for audio data
z Complies with Bluetooth Core Specification Version 5.1 with provisions for supporting
future specifications. With Bluetooth Class 1 or Class2 transmitter
operation.
z Supports extended synchronous connections (eSCO), for enhanced voice quality
by allowing for retransmission of dropped packets.
z Adaptive frequency hopping (AFH) for reducing radio frequency interference.
A simplified block diagram of the module is depicted in the figure above.
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Bluetooth RF Specification
output power BT(8DPSK):0.00998W， LE(GFSK):0.00690W
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FCC Compliance Statement
FCC ID: H8N-STI625X
This equipment has been tested and found to comply with the limits for a Class B digital device,
Pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference in a residential installation. This equipment generates, uses and can
radiate radio frequency energy and, if not installed and used in accordance with the instructions,
may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
• Consult the dealer or an experienced radio/ TV technician for help.
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions:
1） This device may not cause harmful interference.
2） This device must accept any interference received, including interference that may cause
undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.
Note: The manufacturer is not responsible for any radio or TV interference caused by unauthorized
modifications to this equipment. Such modifications could void the user’s authority to operate
the equipment.
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FCC RF Radiation Exposure Statement:
This equipment complies with FCC RF radiation exposure limits set forth for an uncontrolled
environment.
This device and its antenna must not be co-located or operating in conjunction with any other antenna
or transmitter.
“To comply with FCC RF exposure compliance requirements, this grant is applicable to only Mobile
Configurations. The antennas used for this transmitter must be installed to provide a separation
Distance of at least 20 cm from all persons and must not be co-located or operating in conjunction
with any other antenna or transmitter.”
Notice to OEM integrator
Must use the device only in host devices that meet the FCC/ISED RF exposure category of mobile,
which means the device is installed and used at distances of at least 20cm from persons. The end user
manual shall include FCC Part 15 /ISED RSS GEN compliance statements related to the transmitter
as show in this manual.
Host manufacturer is responsible for compliance of the host system with module installed with all
other applicable requirements for the system such as Part 15 B, ICES 003. Host manufacturer is
strongly recommended to confirm compliance with FCC/ISED requirements for the transmitter when
the module is installed in the host.
Must have on the host device a label showing Contains FCC ID: H8N-STI625X
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Askey STI625X is a Wi-Fi and Bluetooth functionalities module that supports IEEE 802.11 Key features like dual-stream spatial multiplexing up to 1200 Mbps data rate, 20, 40, 80 MHz channels with optional SGI (1024 QAM modulation), real simultaneous dual-band, client MU-MIMO, and standard SDIO v3.0. For Bluetooth, it supports HCI UART (up to 4 Mbps), PCM for audio data, and complies with Bluetooth Core Specification Version 5.1.
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