SIM800C GPRS GSM Module SIM Wireless Module TTL Development Board Replace SIM900A with 2.4G IPX Ante

Features: - With a regulator chip and a lithium power supply port, providing two power supply mode options. - Small size suitable for all types of fists and inlays. - Automatic game slot, easy to replace phone card. - With the IPX interface, you can replace the antenna. - Microphone and speaker interface reserved. With the Bluetooth function Specifications: VDC port supply voltage: 5V ~ 12V Lithium port power supply voltage: 3.4 ~ 4.4v Communication voltage: 3.3V / 5V Operating current: 2.5A peak, 1A minimum Baud rate: 9600 (can be modified) Antenna interface: IPX interface Operating frequency band: GSM850 / EGSM900 / DCS1800 / PCS1900 SIM card interface: support SIM card: 1.8V, 3V Configuration: in command SMS: MT / MO / CB / text PDU mode Address book: compatible type: SM / FD / LD / RC / ON / MC Audio Characteristics: Medium speed (ETS 06,20) Full rate (ETS 06,10) Enhanced full rate (ETS 06.50 / 06.60 / 06.80) Adaptive Multivelocity (AMR) Support echo cancellation Supports noise suppression GPRS connection features: GPRS: default time slot for level 12, there is class 8,10, 12 optional, mobile station level B GPRS data characteristics: downlink transmission rate: maximum 85.6 kbps Supports PAP (password verification protocol) protocols that are commonly used for PPP connections Link transfer speed: up to 85.6 kbps Coding format: CS-1 / CS-2 / CS-3 / CS-4 Size: 43.2*36.5*32.3mm Package Included: 1 x SI4432 433MHz Wireless Serial Transceiver Module 1 x DuPont Line 1 x Antenna