Specifications:

LNA: 50-4000mhz

NF: SPF5189Z

LNA0: 0.6 dB

Amplifier: FM

Size: 34 x 25mm/1.33 x1.0inch

1. Working voltage: DC 5V
2. Output power: 3W+3W
3. Speaker type: 3W*2 4-8ohm
4. Mounting Hole: 3.0mm
Features:
Mini design, sound loud and clear, strong sense of hierarchy, ultra-small size, simple installation, wide application range, low prices, quality and stability

The RFM95 transceiver is a LoRaTM remote communication module, which provides ultra long distance spread
spectrum communication and has super strong anti-interference capability and ultra low current consumption.

ESP8266-12E Is an enhanced version ESP8266-12 , improve the external circuit, enhanced impedance signal output is better, whether it is stable or anti-jamming capability , have been greatly improved ! Before selecting a user for ESP-12 's , it does not matter even if the product has been made , enhanced version is fully compatible with previous firmware pin has added the ESP-12 on the basis of six IO ports , SPI mouth leads , develop more convenient, application more extensive !

The SIM808_mini board uses a high-performance industrial-grade GSM/GPRS quad-band chip, and integrates GPS and Bluetooth functions: SIM808, four frequency bands are available. Can realize telephone voice, SMS (short message, MMS), GPRS data transmission function (support transparent transmission mode, domain name resolution and IP mode), also has DTMF decoding (can identify the other party's keys), GPS positioning, TTS voice function, upgraded version Also supports Bluetooth 3.0.

This module is 5-12V power supply, when the power supply is less than 9V, 2A DC is required. The other power supply port is 3.5-4.2V, suitable for lithium battery power supply. The computer can debug USB-TTL. Suitable for portable. Two sets of antenna SMA ports, GPS and GSM antennas are provided.

Suitable For Raspberry Pi A B A+ B+ Zero 2 3.
Connect via 1*8 2.54 separation distance pin header or USB micro data cable.
Adopting L80-39 mould project, with 15 x 15 x 4mm Patch aerial.
Super low power consumption, quick location.
Support Short-circuit Protection and Aerial Detection.
Support self-auxiliary AGPS (EASY technology), no need of external memory.
Support LOCUS, DGPS, SBAS(WAAS/EGNOS/MSAS/GAGAN).