Mini CPE router from China
- WiFi 7 3x3 MIMO Config, no 6GHz (Only 2.4 + 5 combo)
- Custom OpenWRT (ImmortalWRT Fork), running on MT7987A with 1G DDR4 and 8G EMMC
- M.2 in USB 3.2 Gen 1 signal (Running currently RM520N-GL module, supports all global bands except mmWave)
- 2.5Gbps dual WAN/LAN interchangeable
- SMA for 5G and WiFi antenna (Exchangeable with your own preferred antennas)
- Supports 5V-15V PD via USB-C power, power draw around 5-6W while active with 5G



Currently testing mainly on SG network, got a peak of around 500Mbps DL and around 90-100Mbps UL via b28 LTE anchor + N1/N78 5G NSA band. Main fame comes from ability to customized and modify however you need. Seller sells just the board, or a combo of SMA antennas connectors, motherboard and internal heatsink + fan with aluminum casing
Only downside is proprietary mediatek blobs (WiFi 7 drivers + SoC drivers) inside firmware, seller provide SDK but blobs not in mainline ImmortalWRT yet. Some work on software side needs to be done
Will test eventually with RM530N-GL or RM551E-GL to see what can this little thing do if placed on mmWave. Pending testing for SA network within SG for speed
This post has been edited by yenchenje: Feb 10 2026, 12:44 AM
Feb 10 2026, 12:44 AM
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