R36M-E4G_PCBA
R36M-E4G_PCBA
OpenWrt embedded 4G-ready and WiFi board
- (1) MediaTek MT7620A (580 MHz single-core MIPS)
- (2) 64, 128 or 256 MB of DDR2 RAM
- (3) 16, 32 or 64 MB of SPI NOR flash
- (4) Integrated WiFi N300 2.4 GHz
- (5) 2× Fast Ethernet with ESD protection and passive PoE support (24 V)
- (6) 1× mini PCIe (PCIe ×1, USB 2.0, mini + micro SIM) with optional 5 V supply for high-power WiFi cards
- (7) 2× button (reset, WiFi/WPS)
- (8) 1× mini SIM slot
- (9) 1× micro SIM slot
- (10) 8× LED
R36M-E4G is a compact 4G-ready and WiFi board offering great performance and dual-SIM support
R36M-E4G offers an integrated 802.11b/g/n WiFi (2.4 GHz, N300) radio and mini PCIe slot dedicated for 4G modules. Software driven dual-SIM feature allows quick GSM network changing and keeping data usage under control.
Two Fast Ethernet ports with ESD protection and PoE supply support enable automotive applications. Mini PCIe slot with PCIe bus and optional 5 V supply allow building dual-band WiFi router with additional high-power card.
Official OpenWrt support, web-based recovery and system serial console access make development extremely easy.
Board in details (top)
Board in details (bottom)
mini PCIe slot pinout
Pin headers
MT7620A GPIO map
MT7620A GPIO map (cont.)
| Parameter | Value |
|---|---|
| SOC | MediaTek MT7620A with 580 MHz single-core MIPS 24KEc CPU |
| RAM | 64, 128 or 512 MB of DDR2 |
| Flash | 16, 32 or 64 MB of SPI NOR flash |
| WiFi | 802.11b/g/n 2T2R 2.4 GHz 2× IPEX/U.FL antenna connectors |
| Ethernet | 2× Fast Ethernet with ESD protection |
| Expansion | 1× mini PCIe for 3/4G or WiFi module (PCIe ×1, USB 2.0, mini + micro SIM, optional 5 V) |
| Pin headers | 1× 4-pin system serial console (2.54 mm pitch) 1× 10-pin full UART serial console (1.27 mm pitch) 1× 2-pin 5 V supply output (2.54 mm pitch) 1× 4-pin I C bus (1.27 mm pitch) 1× 10-pin LED (1.27 mm pitch) |
| Button | 2× push-button |
| LED | 1× power (green) 1× status (green) 1× modem (orange) 1× WLAN (orange) 1× LAN (green) 1× WAN (green) 1× mini SIM (green) 1× micro SIM (green) |
| Software | U-Boot with web-based firmware recovery and dual-image support Officially supported in OpenWrt 19.07+ (Linux Kernel 4.14) |
| Power supply | DC jack (5.4/2.0 mm) with lock for 12 V DC input Passive PoE (24 V DC) input on WAN and output (pass-through) on LAN |
| Mounting holes | ∅ 3 mm, 65 × 48 mm |
| Dimensions | 85 × 60 × 16 mm |
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