Wallys is offering two mini PCIe cards to add WiFI 5 (802.11ac) to existing gateways, computers, or boards. Both 802.11ac modules are powered by Qualcomm Atheros QCA9880 chipset, with DR600VX mPCIe module delivering up to up to 867Mbps thanks to 2×2 MIMO, and DR900VX mPCIe module up to 1.3 Gbps using 3×3 MIMO technology.
- Chipset – Qualcomm Atheros QCA9880 wireless local area network (WLAN) system-on-chip (SoC) for 5 GHz 802.11ac or 2.4/5 GHz 802.11n WLAN
- WiFi
- 2.4GHz max 26dBm & 5GHz max 25dBm output power
- IEEE 802.11ac compliant & backward compatible with 802.11a/b/g/n
- IEEE 802.11d, e, h, i, k, r, v time stamp, and w standards
- DR600VX – 2×2 MIMO technology up to 867 Mbps
- DR900VX – 3×3 MIMO technology up to 1.3 Gbps
- Supports Spatial Multiplexing, Cyclic-Delay Diversity (CDD), Low-Density Parity Check (LDPC) Codes, Maximal Ratio
- Support for Maximal Ratio Combining (MRC), Space-Time Block Code (STBC), and Dynamic Frequency Selection (DFS)
- Host Interface – Mini PCI Express edge connector
- Dimensions – 30.0 × 50.9 × 3.2mm
- Temperature Range – Operating: -40 to +70°C; storage: -40 to +90°C
- Certifications – FCC, CE, RoHS
Compared to other WiFi 5 cards, Wallys mini PCIe modules offer higher Tx power, better performance, and lower operating temperature as the company improved on XB140 dual-band 802.11ac reference design provided by Qualcomm. DR600VX/DR900VX cards specifically change the front-end module (FEM) to Skyworks SKY85309-11, some RF circuit, and the board’s layout.
Typical use cases include security & surveillance, commercial radio coverage, wireless connectivity in hotels, forest fire monitoring, etc…
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“2.4GHz max 26dBm” : I am wondering, in which country is it legal to use that kind of TxPower ? (in EU, the regulation is restricted to 20dBm EIRP (which includes antenna gain))
If you run long wire runs and have suboptimal antennas it’s perfectly legal.
Just dont connect your satellite dish to it…
Question is still if this approach makes alot of sense, usually better antennas and lower loss cabling helps twice, once each in rx and tx path, even with equal EIRP values.
Unfortunatelly the DR900VX does not have SKY85309-11 FEM. It has SE5516A as the regular WLE900VX from Compex.