CM520-8BF — Single-modem dual-SIM industrial router
Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Technical review edition · PDF
CAIMORECM520-8BX
Dual-SIM industrial cellular router
A dual-SIM industrial cellular router using a single modem. Two Ethernet ports and serial communications provide interfaces for connected industrial devices.
- Ethernet
- 2 × 10/100 Mbps Ethernet ports
- SIM configuration
- Dual SIM slots
- DC input
- 5–32 V DC
- Operating temperature
- −30 to +70 °C; extended version listed separately
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Technical specifications
Options vary by model, hardware revision and firmware.
Key specifications
| Ethernet | 2 × 10/100 Mbps Ethernet ports |
|---|---|
| SIM configuration | Dual SIM slots |
| DC input | 5–32 V DC |
| Operating temperature | −30 to +70 °C; extended version listed separately |
Hardware and operating system
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source p. 8
| CPU | 533 MHz industrial embedded processor with MMU. |
|---|---|
| Flash | 128 Mbit, expandable to 256 Mbit. |
| SDRAM | 1 Gbit. |
| Operating system | Linux 2.6. |
External interfaces
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source p. 8
| Ethernet | 2 x 10/100 Base-T ports, both grouped under the source label LAN1; IEEE 802-3 / 802-2 as printed; 1.5 kV isolation. Exact WAN/LAN role assignment is not specified. |
|---|---|
| Serial | The source lists serial settings without identifying the fitted electrical interface or number of channels: Data bits: 7/8; stop bits: 1/2; parity: none/odd/even/SPACE/MARK; 110-230400 bit/s; no, RTS/CTS hardware or XON/XOFF software flow control. |
| Indicators | POWER and ONLINE. |
| Antenna | SMA female, 50 ohm; optional 3/5/10/15 m extensions. |
| SIM | 2 x push-type SIM slots, 1.8/3/5 V; 15 kV ESD protection. One modem / dual-SIM, not two simultaneous cellular modems. |
| Power | Standard round socket. |
| RESET | Restore factory defaults. |
Power
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source p. 9
| DC input | 5-32 V DC, with reverse-polarity, overvoltage and overcurrent protection. |
|---|---|
| Standard supply | 9 V DC / 1.5 A |
| Communication current | Average 390 mA at +9 V DC; registration peak 1.0 A at +9 V DC. |
| Standby | Average <56 mA at +9 V DC. |
Mechanics
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source p. 9
| Enclosure | Metal, shielding, enclosure/system isolation, lightning-protection design and IP30 here. Reliability section instead says IP41. |
|---|---|
| Body | 130 x 104 x 25 mm, excluding antennas and mounting hardware. The appendix shows a different dimension set. |
| Package dimensions | Source cell is blank; not specified. |
| Weight | 0.5 kg. |
Cellular parameters
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source pp. 9-11
| Wireless module | Industrial-grade module. |
|---|---|
| TDD frequency group | LTE TDD: 2600/2300 MHz; UMTS: 2100/900 MHz; GSM: 850/900/1800/1900 MHz; UMTS Rx diversity: 2100/900 MHz. |
| FDD frequency group | LTE FDD: 2600/2100/1800/DD800 MHz (DD800 reproduced as printed); UMTS and UMTS Rx diversity: 2100/900 MHz. |
| Radio schemes | LTE/UMTS/HSPA+/HSDPA/HSUPA/WCDMA/EDGE/GSM |
| TDD rates | LTE TDD: DL 68 Mbps / UL 17 Mbps; DC-HSPA+: DL 42 Mb/s (Category 24); HSPA+: DL 28 Mb/s (Category 18); HSDPA: DL 14.4 Mb/s (Category 8); HSUPA+: DL 5.76 Mb/s (Category 6), as printed; WCDMA CS: UL/DL 64 kbps; WCDMA PS: UL/DL 384 kbps. |
| FDD rates | LTE FDD: DL 100 Mbps / UL 50 Mbps; other DC-HSPA+, HSPA+, HSDPA, HSUPA+ and WCDMA values are the same as the TDD table. |
| Transmit power | LTE: 23 dBm; WCDMA/HSDPA: 24 dBm. |
| Receiver sensitivity | <-109 dBm |
| module functions | Data and SMS. |
Wi-Fi parameters
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source pp. 9-11
| Module | Integrated chipset Wi-Fi module, described as highly integrated and stable. |
|---|---|
| Standards / rates | 802.11 a/b/g/n; 6/9/12/18/24/36/48/54 Mbps; maximum stated 300 Mbps. |
| Encryption | Source wording: WAP, WAP 2.0 and 802.11i 4.0 / TKIP / AES / CCMP. WAP appears to be inconsistent encryption terminology; intended WPA/WPA2 meaning Confirmation required. Not silently corrected. |
| Modes | AP mode. |
| Coverage claim | Up to 150 m outdoors without obstructions; conditions are not specified. Confirmation required. |
Environment
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source pp. 9-11
| Operating temperature | -30 to +70 °C |
|---|---|
| Extended operation | -35 to +75 °C |
| Storage | -40 to +85 °C |
| Relative humidity | 95%, non-condensing. |
LED status
CM520-8BF — Single-modem dual-SIM industrial router · Source revision not stated | mixed 8BF / 8CF / 8B-8C identification · Source p. 12
| Power | State: On; Meaning: Device power normal |
|---|---|
| Power | State: Off; Meaning: Device not powered |
| Online | State: On; Meaning: Device registered on the network |
| Online | State: Off; Meaning: Device not registered on the network |
System connectivity
From field equipment to your system.
See how CM520-8BX fits into your installation.
Illustrative connection architecture. External equipment and customer software are shown for context. Interfaces and options vary by configuration.
Downloads
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