ext antenna

... Input and Accessory Identification 4 EXT_RF External RF Control Input 5 TX FBUS ... V 2.56 V Infra Red Link Conneceted EXT_RF: External RF Control Input U low U ... RF in use 2.4 V 3.2 V Internal Antenna in use MBUS: Serial Control Bus U low

... phone pinout Pin Description 1 Vbat_ext 9 EMMI_PAE 2 Mic 10 EMMI_OPE 3 GND 11 EXT_EMET 4 SCL_E 12 EXT_RECDIT 5 SDA_E ... MARCHE 8 DC_IN (charge) 16 GND round Antenna+internal switch (int/ext) ©