| Item | Description |
| Model | BL-C503 |
CPU
| MT7981BA/A ARM Cotext-A53 Dual Core CPU，@1.3GHZ |
| Module | Standard：RedCap Balong MT5710-CN Pro：UNISOC 5G V510 Ultra：HiSilicon 5G MT5700M |
| Memory | LPDDR3 4Gb NOR FLASH 256Mb |
| System | openWRT system |
Frequency
| 5G NR: n1/n3/n5/n8/n28/n41/n78/n79 LTE-FDD: Band 1/Band 3/Band 5/Band 8 LTE-TDD: Band 34/Band 38/Band 39/Band 40/Band 41 |
| Speed | Standard： 5G(DL/UL)226Mbps/120Mbps LTE FDD-LTE(DL/UL)200Mbps/100Mbps Pro： 5G(DL/UL)900Mbps/112Mbps LTE FDD-LTE(DL/UL)400Mbps/75Mbps Ultra：5G(DL/UL)4Gbps/1.5Gbps LTE FDD-LTE(DL/UL)400Mbps/100Mbps |
| Transmit power | 1. LTE Band 1/Band 3/Band 5/Band 8/Band 34/Band 38/Band 39/Band40:23dBm+2dB 2. LTE Band 41:26dBm+2dB 3. 5GNR n1/n3/n5/n8/n28:23dBm+2dB 4. 5G NR n41/n78/n79:26dBm+2dB |
| WiFi protocol | IEEE 802.11n/g/b/a/ac/ax, Max speed 3000Mbps WIFI 5.8G：2402Mbps WIFI 2.4G: 574Mbps |
| WiFi antenna | MIMO 2*2 |
| Antenna | 2*5G, 2*4G, 2*WiFi |
| Max users | 150 users |
| SIM card slot | SIM+eSIM+eSIM+eSIM |
| Power supply | USB Type-C 12V/2A |
| Indicator light | 5G*1 WIFI*2 LAN*4 |
| Ethernet port | Gigabit Ethernet port, WAN*1, LAN*3 |
| Button | Reset |
| Material | ABS |
Reset
| Long press for 5 seconds to restore factory settings |
| Size | 400mm*131mm*152mm |
| Color | Black |
| Function | Support multi-network aggregation, dynamic bandwidth balancing, IPV4/V6, VPN, MESH networking, routing/relay, remote control, etc. |
