MeiG Smart SLM550S module adopts Unisoc UIS8581E platform with 28nm FinFET process, built-in 64bit ARM V8 kernel A55（4*1.6GHz+4*1.2GHz). It supports 1080P@30fps video encode/decode, H.266, FHD+ screen resolution, running Android 10 operating system and on-board memory of 1GB+8GB（2GB+16GB, 3GB+32GB, 4GB+64GB). It supports LTE Cat4, with a maximum DL rate of 150Mbpsa and UL rate of 50Mbps. This broadband smart module integrates GNSS and 2.4WIFI(compatible with 5G WIFI), supports multi-mode of connectivity including TD-LTE/FDD-LTE/ WCDMA/ TD-SCDMA/GSM.
SLM550S series modules support the following markets: SLM550S-C, SLM550S-E, SLM550S-LA, SNM550S.
SLM550S provides voice, SMS, address book, 2.4G WiFi(compatible with 5G WIFI), BT and GPS, and can be widely used in video recorder, intelligent POS cash register, logistic terminal, VR Camera, intelligent robot, video surveillance, security surveillance, automotive equipment, intelligent information collection equipment, intelligent handheld terminal, UAV and other products.
Main Advantage：
● Support LTE Cat 4, max DL rate 150Mbps
● Support multi-mode of connectivity
● Support main screen, FHD+（1080*2160）
● Support dual ISP(2M+8M)，dual camera, up to 8MP camera
● Integrated multi GNSS for fast and accurate positioning in different environments
● Support 1080P @30fps video encode/decode
| General features: | |
| OS： | Android 10.0 |
| Storage： | 16GB eMMC+2GB LPDDR4 (default) 32GB eMMC+3GB LPDDR4 (option) 64GB eMMC+4GB LPDDR4 (option) |
| Working temperature range： | -30°C ~ +75°C |
| Storage temperature range： | -40°C ~ +85°C |
| Working voltage： | 3.5V~4.35V（typical value：3.8V） |
| Size： | 40.5mm × 40.5mm × 2.85mm |
| Package： | LCC+LGA |
| Weight： | 13.0g |
| Certification: | CCC（China）* |
| USB Interface： | |
Conform to USB 3.1 standard，support USB OTG | |
| Antenna Interface： | |
| Main antenna, diversity antenna, GNSS antenna and Wi-Fi & BT antenna | |
| Other Interface： | |
| I2C interface： | 5 |
| UART interface: | 3（ support HW flow control, max 4Mbps) |
| (U)SIM interface: | 2 (1.8V/2.95V） |
| SD card interface： | 1（support SD 3.0, 4-bit SDIO） |
| PWRKEY: | 1.8V, Internal pull-up |
| SPI interface: | 5 |
| ADC interface: | 2 |
| GPIO interface: | 24 |
| Motor driver interface: | 1 |
| LED interface: | 1 |
| Audio & Video： | |
| Support VoLTE Ultra HD voice calls SRVCC/CSFB voice fallback technology | |
| 24-bit/192kHz high fidelity music playback | |
| Video codec: | 1080P @30fps |
| Wi-Fi： | up to 1080P @30fps |
| LCM interface: | |
| 4-lane MIPI_DSI，FHD+(1080*2160) @60fps | |
| Camera Interface: | |
| Main Camera： | 2-lane MIPI_CSI |
| Auxiliary Camera： | 1-lane MIPI_CSI |
| Max rate 2.1Gbps/Lane; Up to 8M | |
| Touch Screen Interface： | capacitive touch screen |
| Audio Interface： | |
| Analog Audio ： | speaker, earpiece, earphone, 3x microphones Support 1x noise reduction microphone |
| Outstanding Features： | |
| WIFI: | 2.4G/5G*, 802.11 a*/b/g/n/ac* |
| BT: | BT2.1+EDR/3.0/4.1 LE/4.2 BLE，BT5.0*E |
| GNSS: | GPS/GLONASS/BeiDou |
| LTE Cat4， | |
| Support diversity received antenna, DL MIMO 2×2 | |
| Support 3GPP E-UTRA Release 12 | |
| Bandwidth: | 1.4/3/5/10/15/20MHz |
| Built-in charge IC and fuel gauge | |
| Support DSDS | |
| Firmware update via USB | |
| Frequency Band： | |
| China/India SLM550S-C: | |
| LTE-FDD: | B1/B3/B5/B8 |
| LTE-TDD: | B34/B38/B39/B40/B41 |
| WCDMA: | B1/B8 |
| TD-SCDMA: | B34/B39 |
| EVDO/CDMA: | BC0 |
| GSM: | 900/1800MHz |
| EU/Middle East/Africa/Korea/Thailand SLM550S-E: | |
| LTE-FDD: | B1/B3/B5/B7/B8/B20/B28 |
| LTE-TDD: | B38/B40/B41 |
| WCDMA: | B1/B5/B8 |
| GSM: | 850/900/1800MHz |
| Australia/Taiwan/Brazil SLM550S-AU: | |
| LTE-FDD: | B1/B3/B5/B7/B8/B28 |
| LTE-TDD: | B40 |
| WCDMA: | B1/B5/B8 |
| GSM: | 850/900/1800MHz |
| Latin America SLM550S-LA: | |
| LTE-FDD: | B2/B4/B5/B7/B8/B25/B28/B66 |
| LTE-TDD: | B40 |
| WCDMA: | B2/B5/B8 |
| GSM: | 850/900/1900MHz |
| Global | |
| SNM550S：Wi-Fi & BT only | |
| * means in developing | |
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