MikroTik CME22-2n-BG77, CME Gateway, build-in NB/CAT-M LTE modem, 2dBi, 1x1 @ 2.4GHz, 650MHz, 64MB, 2xEthernet, 1x Nano SIM, PoE-in, PoE-out, IP66, L4
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A rugged low-cost, low-bandwidth modem to connect Ethernet devices to CAT-M mobile network... on the tightest budget ever!
Are you tired of wired sensor limitations? Wouldn’t it be nice if legacy devices - like electricity meters - could send their data over the mobile network, like our phones do? With CME Gateway you can achieve just that – and more!
It has two Ethernet ports, an on-board CPU, some RAM, and the crown jewel: a powerful built-in CAT-M narrow-band LTE modem. For extremely efficient, low-cost, low-bandwidth mobile internet connectivity. Sure, the narrowband won’t be able to stream YouTube videos, but it serves a different purpose: it offers better network coverage and transmits data via the most affordable data plans in the world.
With the IP66 water resistance rating, the sturdy unit can survive a variety of harsh environments and setups: damp attics, rainy forests, farming equipment and so on. It has PoE-in, PoE-out, and a 2-pin DC terminal for handy powering. And to make management even easier - we’ve added a simple single-chain 2.4 GHz wireless - so you can use the MikroTik smartphone app to configure everything.
Also, a fun bonus: the board supports GPS, so if you know your way around RouterOS scripting, you can try collecting weekly, daily or even hourly location data as well!
Specifications
| Details | |
|---|---|
| Product code | CME22-2n-BG77 |
| Architecture | MIPSBE |
| CPU | QCA9531 |
| CPU core count | 1 |
| CPU nominal frequency | 650 MHz |
| Switch chip model | QCA9531 |
| RouterOS license | 4 |
| Operating System | RouterOS v7 |
| Size of RAM | 64 MB |
| Storage size | 16 MB |
| Storage type | FLASH |
| MTBF | Approximately 100'000 hours at 25C |
| Tested ambient temperature | -40°C to 70°C |
Powering
| Details | |
|---|---|
| Number of DC inputs | 2 (PoE-IN, 2-pin terminal) |
| 2-pin terminal input Voltage | 12-57 V |
| Max power consumption | 31 W |
| Max power consumption without attachments | 6 W |
| PoE in | 802.3af/at |
| PoE in input Voltage | 18-57 V |
PoE-out
| Details | |
|---|---|
| PoE-out ports | Ether2 |
| PoE out | Passive PoE up to 57V |
| Max out per port output (input 18-30 V) | 600 mA |
| Max out per port output (input 30-57 V) | 450 mA |
| Max total out (A) | 0.6 A |
Wireless specifications
| Details | |
|---|---|
| Wireless 2.4 GHz Max data rate | 150 Mbit/s |
| Wireless 2.4 GHz number of chains | 1 |
| Wireless 2.4 GHz standards | 802.11b/g/n |
| Antenna gain dBi for 2.4 GHz | 2 |
| Wireless 2.4 GHz chip model | QCA9531 |
| Wireless 2.4 GHz generation | Wi-Fi 4 |
Ethernet
| Details | |
|---|---|
| 10/100 Ethernet ports | 2 |
Peripherals
| Details | |
|---|---|
| Number of SIM slots | 1 Modem (Nano SIM) |
Certification & Approvals
| Details | |
|---|---|
| Certification | CE, FCC, IC, EAC, ROHS |
| IP | 66 |
Included parts
48 V 0.95 A power adapter
Gigabit PoE injector
Metal rings (two)Ethernet test results
| CME22-2n-BG77 | QCA9531 100M two port test | ||||||
| Mode | Configuration | 1518 byte | 512 byte | 64 byte | |||
| kpps | Mbps | kpps | Mbps | kpps | Mbps | ||
| Bridging | none (fast path) | 16.3 | 197.9 | 47.0 | 192.5 | 297.6 | 152.4 |
| Bridging | 25 bridge filter rules | 16.3 | 197.9 | 47.0 | 192.5 | 80.4 | 41.2 |
| Routing | none (fast path) | 16.3 | 197.9 | 47.0 | 192.5 | 233.1 | 119.3 |
| Routing | 25 simple queues | 16.3 | 197.9 | 47.0 | 192.5 | 131.4 | 67.3 |
| Routing | 25 ip filter rules | 16.3 | 197.9 | 47.0 | 192.5 | 49.1 | 25.1 |
- All tests are done with Xena Networks specialized test equipment (XenaBay),and done according to RFC2544 (Xena2544)
- Max throughput is determined with 30+ second attempts with 0,1% packet loss tolerance in 64, 512, 1518 byte packet sizes
- Test results show device maximum performance, and are reached using mentioned hardware and software configuration, different configurations most likely will result in lower results
The device has an operating system preinstalled and licensed. No separate purchase is necessary and the product is ready to use. The device includes free software updates for the life of the product or a minimum of 5 years starting from date of purchase.
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