User Guide

MT7921K
Install User Guideline: Part-I
Confidential B
MediaTek Confidential
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3 General Information & Integration Instructions
3.1 General Description of MT7921K
Product
2TX 11ax (WiFi6E) + BT/BLE Combo Card
Brand
MediaTek
Model
MT7921K
Power Supply Rating
3.3Vdc from host equipment
Modulation Type
GFSK, π/4-DQPSK, 8DPSK for FHSS
CCK, DQPSK, DBPSK for DSSS
64QAM, 16QAM, QPSK, BPSK for OFDM
256QAM for OFDM in 11ac mode and VHT20/40 in 2.4GHz
1024QAM for OFDMA in 11ax HE mode
Modulation Technology
BT EDR: FHSS
BT LE: GFSK
WLAN: DSSS, OFDM, OFDMA
Transfer Rate
BT EDR: up to 3 Mbps
BT LE: up to 2 Mbps
802.11b: up to 11 Mbps
802.11a/g: up to 54 Mbps
802.11n: up to 300 Mbps
802.11ac: up to 866.7 Mbps
802.11ax: up to 1201.0 Mbps
Operating Frequency
BT EDR: 2402MHz ~ 2480MHz
BT LE 1M: 2402MHz ~ 2480MHz
BT LE 2M: 2404MHz ~ 2478MHz
2.4GHz: 2.412 ~ 2.472GHz
5GHz: 5.18~5.32GHz, 5.50~5.72GHz, 5.745 ~ 5.825GHz
6GHz: 5.955 ~ 6.415GHz, 6.435 ~ 6.525GHz, 6.525 ~ 6.875GHz, 6.875 ~ 7.115GHz
Number of Channel
BT EDR: 79
BT LE: 40
2.4GHz:
802.11b, 802.11g, 802.11n (HT20), VHT20, 802.11ax (HE20): 13
802.11n (HT40), VHT40, 802.11ax (HE40): 9
5GHz:
802.11a, 802.11n (HT20), 802.11ac (VHT20), 802.11ax (HE20): 25
802.11n (HT40), 802.11ac (VHT40), 802.11ax (HE40): 12
802.11ac (VHT80), 802.11ax (HE80): 6
6GHz:
802.11ax (HE20): 59
802.11ax (HE40): 29
802.11ax (HE80): 14