Chip: ZX297520V3E+RTL8192ES
Wireless performance and hardware interface and characteristics
Wireless performance specification description, hardware feature specification description
Frequency band configuration
-C typical configuration:
LTE: B1/3/5/8/34/38/39/40/41
GSM: 900MHz/1800MHz
Optional for LTE other frequency band requirements
Antenna interface 4G*2, wifi*2, GPS*1
USB interface USB 2.0*1
Network port 100M-single network port
Data transfer rate
(Mbps)
FDD-LTE: Up to 150Mbps(DL), 50Mbps(UL)
TDD-LTE: Up to 130Mbps(DL), 30M:(UL)
WCDMA: Up to 21Mbps(DL), 5.76Mbps(UL)
TDSCDMA: Up to 2.8Mbps(DL), 2.2Mbps(UL)
UART 3-wire serial *1 (3.3V TTL)
(U)SIM Nano SIM*1
Power supply 12V-1A
Transmit power LTE: 23 ±2dBm (Power class 3) LED
Power *1
Network status*1
4G status*1
WIFI status*1
Signal status*1
WIFI characteristics
WLAN: HT20: ≥80Mbps HT40: ≥90Mbps
WLAN: 17dBm in 802.11b
14dBm in 802.11g
13dBm in 802.11n
WLAN: -85dBm in 802.11b
-70dBm in 802.11g
-66dBm in 802.11n
GPIO reserved GPIO control port 4PIN
LCM interface standard SPI interface
Network port features support and meet IEEE802.3, 10/100Mbps Ethernet
PHY for communication, supports full duplex/half duplex working mode
Battery connection 4.2V 5V-1.5A (charging)
Working temperature -20℃-75℃
Storage temperature -40℃-85℃
Dimensions (mm) 80 (L) x 60 (W)x1.6 (H)
LTE sensitivity complies with 3GPP standard, weight is about 30g
Main software functions
USB virtual network card USB automatic dialing
Low-power sleep wake-up control signal
Network protocol TCP/UDP/PPP/FTP/HTTP/MQTT/PAP/CHAP...
OpenCPU supports ThinkOpen (SDK/API implantation*)
Firmware upgrade local USB\remote FOTA
TC20A/B product features and interface parameter table
Official website